waiting room: a room (as in a hotel or airport) with seating where people can wait


waiting area: a room (as in a hotel or airport) with seating where people can wait


lounger: an article of clothing designed for comfort and leisure wear


lounging jacket: a man's soft jacket usually with a tie belt; worn at home


smoking jacket: a man's soft jacket usually with a tie belt; worn at home


lounging pajama: pajamas worn while lounging


lounging pyjama: pajamas worn while lounging


loungewear: clothing suitable for relaxation


loupe: small magnifying glass (usually set in an eyepiece) used by jewelers and horologists


jeweler's loupe: small magnifying glass (usually set in an eyepiece) used by jewelers and horologists


louver: one of a set of parallel slats in a door or window to admit air and reject rain


louvre: one of a set of parallel slats in a door or window to admit air and reject rain


fin: one of a set of parallel slats in a door or window to admit air and reject rain


louvered window: a window with glass louvers


jalousie: a window with glass louvers


Louvre: an art museum that is a famous tourist attraction in Paris


Louvre Museum: an art museum that is a famous tourist attraction in Paris


lovastatin: an oral drug (trade name Mevacor) to reduce blood cholesterol levels; used when dietary changes have proved inadequate


Mevacor: an oral drug (trade name Mevacor) to reduce blood cholesterol levels; used when dietary changes have proved inadequate


love knot: a stylized or decorative knot used as an emblem of love


lovers' knot: a stylized or decorative knot used as an emblem of love


lover's knot: a stylized or decorative knot used as an emblem of love


true lovers' knot: a stylized or decorative knot used as an emblem of love


true lover's knot: a stylized or decorative knot used as an emblem of love


love seat: small sofa that seats two people


loveseat: small sofa that seats two people


tete-a-tete: small sofa that seats two people


vis-a-vis: small sofa that seats two people


love-token: keepsake given as a token of love


loving cup: a large drinking vessel (usually with two handles) that people drink out of in turn at a banquet


lowboy: a low chest or table with drawers and supported on four legs


lower berth: the lower of two berths


lower: the lower of two berths


lower deck: the deck below the main deck


third deck: the deck below the main deck


low-pass filter: a filter that passes frequencies below a certain value and attenuates frequencies above that value


low-warp-loom: a handloom in which the warp is carried horizontally; for weaving tapestry


loxapine: a tranquilizer (trade name Loxitane) used to treat schizophrenia


Loxitane: a tranquilizer (trade name Loxitane) used to treat schizophrenia


LP: a long-playing phonograph record; designed to be played at 33.3 rpm


L-P: a long-playing phonograph record; designed to be played at 33.3 rpm


L-plate: a square plate bearing the letter L that is attached to both ends of a car to indicate that the driver is a learner


lubber's hole: hole in a platform on a mast through which a sailor can climb without going out on the shrouds


lubricating system: mechanical system of lubricating internal combustion engines in which a pump forces oil into the engine bearings


force-feed lubricating system: mechanical system of lubricating internal combustion engines in which a pump forces oil into the engine bearings


force feed: mechanical system of lubricating internal combustion engines in which a pump forces oil into the engine bearings


pressure-feed lubricating system: mechanical system of lubricating internal combustion engines in which a pump forces oil into the engine bearings


pressure feed: mechanical system of lubricating internal combustion engines in which a pump forces oil into the engine bearings


luff: (nautical) the forward edge of a fore-and-aft sail that is next to the mast


lug: a projecting piece that is used to lift or support or turn something


luge: a racing sled for one or two people


Luger: a German semiautomatic pistol


luggage carrier: carrier (as behind a bicycle seat) for luggage


luggage compartment: compartment in an automobile that carries luggage or shopping or tools


automobile trunk: compartment in an automobile that carries luggage or shopping or tools


trunk: compartment in an automobile that carries luggage or shopping or tools


luggage rack: carrier for holding luggage above the seats of a train or on top of a car


roof rack: carrier for holding luggage above the seats of a train or on top of a car


lugger: small fishing boat rigged with one or more lugsails


lugsail: a sail with four corners that is hoisted from a yard that is oblique to the mast


lug: a sail with four corners that is hoisted from a yard that is oblique to the mast


lug wrench: a wrench with jaws that have projecting lugs to engage the object that is to be rotated


lumberjack: a short warm outer jacket


lumber jacket: a short warm outer jacket


lumbermill: a mill for dressing logs and lumber


sawmill: a mill for dressing logs and lumber


lumber room: a storeroom in a house where odds and ends can be stored (especially furniture)


lumberyard: a workplace where lumber is stocked for sale


lunar excursion module: a spacecraft that carries astronauts from the command module to the surface of the moon and back


lunar module: a spacecraft that carries astronauts from the command module to the surface of the moon and back


LEM: a spacecraft that carries astronauts from the command module to the surface of the moon and back


lunchroom: a restaurant (in a facility) where lunch can be purchased


lunette: oval or circular opening; to allow light into a dome or vault


fenestella: oval or circular opening; to allow light into a dome or vault


lunette: temporary fortification like a detached bastion


lungi: a long piece of brightly colored cloth (cotton or silk) used as clothing (a skirt or loincloth or sash etc.) in India and Pakistan and Burma


lungyi: a long piece of brightly colored cloth (cotton or silk) used as clothing (a skirt or loincloth or sash etc.) in India and Pakistan and Burma


longyi: a long piece of brightly colored cloth (cotton or silk) used as clothing (a skirt or loincloth or sash etc.) in India and Pakistan and Burma


lunula: a crescent-shaped metal ornament of the Bronze Age


lusterware: pottery with a metallic sheen produced by adding metallic oxides to the glaze


lute: chordophone consisting of a plucked instrument having a pear-shaped body, a usually bent neck, and a fretted fingerboard


luxury liner: a liner equipped for sumptuous living


express luxury liner: a liner equipped for sumptuous living


lyceum: a public hall for lectures and concerts


lychgate: a roofed gate to a churchyard, formerly used as a temporary shelter for the bier during funerals


lichgate: a roofed gate to a churchyard, formerly used as a temporary shelter for the bier during funerals


lymphangiogram: an angiogram of the lymph nodes and lymph vessels made after the injection of a radiopaque substance


lypressin: an antidiuretic and vasoconstrictor used to treat diabetes insipidus


lyre: a harp used by ancient Greeks for accompaniment


lysergic acid diethylamide: a powerful hallucinogenic drug manufactured from lysergic acid


LSD: a powerful hallucinogenic drug manufactured from lysergic acid


machete: a large heavy knife used in Central and South America as a weapon or for cutting vegetation


matchet: a large heavy knife used in Central and South America as a weapon or for cutting vegetation


panga: a large heavy knife used in Central and South America as a weapon or for cutting vegetation


machicolation: a projecting parapet supported by corbels on a medieval castle; has openings through which stones or boiling water could be dropped on an enemy


machine: any mechanical or electrical device that transmits or modifies energy to perform or assist in the performance of human tasks


machine: a device for overcoming resistance at one point by applying force at some other point


simple machine: a device for overcoming resistance at one point by applying force at some other point


machine bolt: a bolt with a square or hexagonal head on one end and a threaded shaft on the other end; tightened with a wrench; used to connect metal parts


machine gun: a rapidly firing automatic gun (often mounted)


machinery: machines or machine systems collectively


machine screw: a screw used either with a nut or with a tapped hole; slotted head can be driven by a screwdriver


machine shop: workshop where metal is cut and shaped etc., by machine tools


machine stitch: a sewing stitch made by a sewing machine, sometimes using more than one thread


sewing-machine stitch: a sewing stitch made by a sewing machine, sometimes using more than one thread


machine tool: a powered machine for cutting or shaping or finishing metals or other materials


machinist's vise: a vise with two parallel iron jaws and a wide opening below


metalworking vise: a vise with two parallel iron jaws and a wide opening below


machmeter: speedometer for measuring the speed of an aircraft relative to the speed of sound


macintosh: a waterproof raincoat made of rubberized fabric


mackintosh: a waterproof raincoat made of rubberized fabric


mac: a waterproof raincoat made of rubberized fabric


mack: a waterproof raincoat made of rubberized fabric


Mackinac Bridge: a suspension bridge across the channel between the lower and upper peninsulas of Michigan


mackinaw: a heavy woolen cloth heavily napped and felted, often with a plaid design


mackinaw: a flat-bottomed boat used on upper Great Lakes


Mackinaw boat: a flat-bottomed boat used on upper Great Lakes


mackinaw: a thick plaid blanket formerly used in the northwestern United States


Mackinaw blanket: a thick plaid blanket formerly used in the northwestern United States


mackinaw: a short plaid coat made of made of thick woolen material


Mackinaw coat: a short plaid coat made of made of thick woolen material


mackintosh: a lightweight waterproof (usually rubberized) fabric


macintosh: a lightweight waterproof (usually rubberized) fabric


macrame: a relatively coarse lace; made by weaving and knotting cords


madras: a light patterned cotton cloth


Mae West: an inflatable life jacket


air jacket: an inflatable life jacket


magazine: a storehouse (as a compartment on a warship) where weapons and ammunition are stored


powder store: a storehouse (as a compartment on a warship) where weapons and ammunition are stored


powder magazine: a storehouse (as a compartment on a warship) where weapons and ammunition are stored


magazine: product consisting of a paperback periodic publication as a physical object


magazine: a light-tight supply chamber holding the film and supplying it for exposure as required


cartridge: a light-tight supply chamber holding the film and supplying it for exposure as required


magazine rack: a rack for displaying magazines


magic bullet: a remedy (drug or therapy or preventive) that cures or prevents a disease


magic lantern: an early form of slide projector


magic realism: a literary or artistic genre in which realistic narrative or meticulously realistic painting are combined with surreal elements of fantasy or dreams


Maginot Line: a fortification built before World War II to protect France's eastern border; initially considered to be impregnable, it was easily overrun by the German army in 1940


magnet: (physics) a device that attracts iron and produces a magnetic field


magnetic bottle: container consisting of any configuration of magnetic fields used to contain a plasma during controlled thermonuclear reactions


magnetic bubble memory: a nonvolatile storage device that holds information in the form of bubbles on a thin film of magnetic silicate; no longer used in most computers


magnetic compass: compass based on an indicator (as a magnetic needle) that points to the magnetic north


magnetic core memory: (computer science) a computer memory consisting of an array of magnetic cores; now superseded by semiconductor memories


core memory: (computer science) a computer memory consisting of an array of magnetic cores; now superseded by semiconductor memories


magnetic disk: (computer science) a memory device consisting of a flat disk covered with a magnetic coating on which information is stored


magnetic disc: (computer science) a memory device consisting of a flat disk covered with a magnetic coating on which information is stored


disk: (computer science) a memory device consisting of a flat disk covered with a magnetic coating on which information is stored


disc: (computer science) a memory device consisting of a flat disk covered with a magnetic coating on which information is stored


magnetic head: an electromagnet (as on a tape recorder) that converts electrical variations into magnetic variations that can be stored on a surface and later retrieved


magnetic mine: (nautical) a marine mine that is detonated by a mechanism that responds to magnetic material (as the steel hull of a ship)


magnetic needle: a slender magnet suspended in a magnetic compass on a mounting with little friction; used to indicate the direction of the earth's magnetic pole


magnetic recorder: recorder consisting of equipment for making records on magnetic media


magnetic stripe: a short strip of magnetic tape attached to a credit card or debit card; it contains data that will tell a reading device who you are and what your account number is, etc.


magnetic tape: memory device consisting of a long thin plastic strip coated with iron oxide; used to record audio or video signals or to store computer information


mag tape: memory device consisting of a long thin plastic strip coated with iron oxide; used to record audio or video signals or to store computer information


tape: memory device consisting of a long thin plastic strip coated with iron oxide; used to record audio or video signals or to store computer information


magneto: a small dynamo with a secondary winding that produces a high voltage enabling a spark to jump between the poles of a spark plug in a gasoline engine


magnetoelectric machine: a small dynamo with a secondary winding that produces a high voltage enabling a spark to jump between the poles of a spark plug in a gasoline engine


magnetograph: a scientific instrument that registers magnetic variations (especially variations of the earth's magnetic field)


magnetometer: a meter to compare strengths of magnetic fields


gaussmeter: a meter to compare strengths of magnetic fields


magnetron: a diode vacuum tube in which the flow of electrons from a central cathode to a cylindrical anode is controlled by crossed magnetic and electric fields; used mainly in microwave oscillators


magnifier: a scientific instrument that magnifies an image


magnum: a large wine bottle for liquor or wine


magnum opus: a great work of art or literature


magnus hitch: a rolling hitch similar to a clove hitch


mail: a conveyance that transports the letters and packages that are conveyed by the postal system


mailbag: letter carrier's shoulder bag


postbag: letter carrier's shoulder bag


mailbag: pouch used in the shipment of mail


mail pouch: pouch used in the shipment of mail


mailboat: a boat for carrying mail


mail boat: a boat for carrying mail


packet: a boat for carrying mail


packet boat: a boat for carrying mail


mailbox: a private box for delivery of mail


letter box: a private box for delivery of mail


mail car: a railway car in which mail is transported and sorted


maildrop: a drop where mail can be deposited


mailer: a container for something to be mailed


maillot: tights for dancers or gymnasts


maillot: a woman's one-piece bathing suit


tank suit: a woman's one-piece bathing suit


mail slot: a slot (usually in a door) through which mail can be delivered


mailsorter: a sorter for sorting mail according to the address


mail train: a train that carries mail


main: a principal pipe in a system that distributes water or gas or electricity or that collects sewage


main course: a square mainsail


main deck: the uppermost sheltered deck that runs the entire length of a large vessel


second deck: the uppermost sheltered deck that runs the entire length of a large vessel


main drag: the main street of a town or city


mainframe: a large digital computer serving 100-400 users and occupying a special air-conditioned room


mainframe computer: a large digital computer serving 100-400 users and occupying a special air-conditioned room


main line: the principal route of a transportation system


mainmast: the chief mast of a sailing vessel with two or more masts


main rotor: rotor consisting of large rotating airfoils on a single-rotor helicopter that produce the lift to support the helicopter in the air


mainsail: the lowermost sail on the mainmast


mainspring: the most important spring in a mechanical device (especially a clock or watch); as it uncoils it drives the mechanism


mainstay: the forestay that braces the mainmast


main street: street that serves as a principal thoroughfare for traffic in a town


high street: street that serves as a principal thoroughfare for traffic in a town


main-topmast: the topmast next above the mainmast


main-topsail: a topsail set on the mainmast


main yard: yard for a square mainsail


maisonette: a small house


maisonnette: a small house


maisonette: a self-contained apartment (usually on two floors) in a larger house and with its own entrance from the outside


maisonnette: a self-contained apartment (usually on two floors) in a larger house and with its own entrance from the outside


majolica: highly decorated earthenware with a glaze of tin oxide


maiolica: highly decorated earthenware with a glaze of tin oxide


major suit: (bridge) a suit of superior scoring value, either spades or hearts


major tranquilizer: tranquilizer used to treat psychotic conditions when a calming effect is desired


major tranquillizer: tranquilizer used to treat psychotic conditions when a calming effect is desired


major tranquilliser: tranquilizer used to treat psychotic conditions when a calming effect is desired


antipsychotic drug: tranquilizer used to treat psychotic conditions when a calming effect is desired


antipsychotic agent: tranquilizer used to treat psychotic conditions when a calming effect is desired


antipsychotic: tranquilizer used to treat psychotic conditions when a calming effect is desired


neuroleptic drug: tranquilizer used to treat psychotic conditions when a calming effect is desired


neuroleptic agent: tranquilizer used to treat psychotic conditions when a calming effect is desired


neuroleptic: tranquilizer used to treat psychotic conditions when a calming effect is desired


makeup: cosmetics applied to the face to improve or change your appearance


make-up: cosmetics applied to the face to improve or change your appearance


war paint: cosmetics applied to the face to improve or change your appearance


makeweight: a weight added to the scale to reach a required weight


makeweight: anything added to fill out a whole


filler: anything added to fill out a whole


making: (usually plural) the components needed for making or doing something


Maksutov telescope: reflecting telescope in which the aberration of the concave mirror is reduced by a meniscus lens


malacca: a cane made from the stem of a rattan palm


malacca cane: a cane made from the stem of a rattan palm


mallet: a tool resembling a hammer but with a large head (usually wooden); used to drive wedges or ram down paving stones or for crushing or beating or flattening or smoothing


beetle: a tool resembling a hammer but with a large head (usually wooden); used to drive wedges or ram down paving stones or for crushing or beating or flattening or smoothing


mallet: a light drumstick with a rounded head that is used to strike such percussion instruments as chimes, kettledrums, marimbas, glockenspiels, etc.


hammer: a light drumstick with a rounded head that is used to strike such percussion instruments as chimes, kettledrums, marimbas, glockenspiels, etc.


mallet: a sports implement with a long handle and a head like a hammer; used in sports (polo or croquet) to hit a ball


Maltese cross: a cross with triangular or arrow-shaped arms and the points toward the center


mammogram: X-ray film of the soft tissue of the breast


man: game equipment consisting of an object used in playing certain board games


piece: game equipment consisting of an object used in playing certain board games


mandala: any of various geometric designs (usually circular) symbolizing the universe; used chiefly in Hinduism and Buddhism as an aid to meditation


mandola: an early type of mandolin


mandolin: a stringed instrument related to the lute, usually played with a plectrum


manger: a container (usually in a barn or stable) from which cattle or horses feed


trough: a container (usually in a barn or stable) from which cattle or horses feed


mangle: clothes dryer for drying and ironing laundry by passing it between two heavy heated rollers


manhole: a hole (usually with a flush cover) through which a person can gain access to an underground structure


manhole cover: a flush iron cover for a manhole (as in a street)


manifold: a pipe that has several lateral outlets to or from other pipes


mannequin: a life-size dummy used to display clothes


manikin: a life-size dummy used to display clothes


mannikin: a life-size dummy used to display clothes


manakin: a life-size dummy used to display clothes


form: a life-size dummy used to display clothes


mannitol: a diuretic (trade name Osmitrol) used to promote the excretion of urine


Osmitrol: a diuretic (trade name Osmitrol) used to promote the excretion of urine


man-of-war: a warship intended for combat


ship of the line: a warship intended for combat


manometer: a pressure gauge for comparing pressures of a gas


manor: the mansion of a lord or wealthy person


manor house: the mansion of a lord or wealthy person


manor hall: the large room of a manor or castle


hall: the large room of a manor or castle


MANPAD: a man-portable surface-to-air missile


mansard: a hip roof having two slopes on each side


mansard roof: a hip roof having two slopes on each side


manse: the residence of a clergyman (especially a Presbyterian clergyman)


mansion: a large and imposing house


mansion house: a large and imposing house


manse: a large and imposing house


hall: a large and imposing house


residence: a large and imposing house


manta: a blanket that is used as a cloak or shawl


mantel: shelf that projects from wall above fireplace


mantelpiece: shelf that projects from wall above fireplace


mantle: shelf that projects from wall above fireplace


mantlepiece: shelf that projects from wall above fireplace


chimneypiece: shelf that projects from wall above fireplace


mantelet: short cape worn by women


mantilla: short cape worn by women


mantelet: portable bulletproof shelter


mantlet: portable bulletproof shelter


mantilla: a woman's silk or lace scarf


mantrap: a trap for catching trespassers


mantua: loose gown of the 17th and 18th centuries


Mao jacket: a light weight jacket with a high collar; worn by Mao Zedong and the Chinese people during his regime


map: a diagrammatic representation of the earth's surface (or part of it)


map projection: a projection of the globe onto a flat map using a grid of lines of latitude and longitude


maquiladora: an assembly plant in Mexico (near the United States border); parts are shipped into Mexico and the finished product is shipped back across the border


maraca: a percussion instrument consisting of a hollow gourd containing pebbles or beans; often played in pairs


marble: a small ball of glass that is used in various games


marble: a sculpture carved from marble


marching order: equipage for marching


marimba: a percussion instrument with wooden bars tuned to produce a chromatic scale and with resonators; played with small mallets


xylophone: a percussion instrument with wooden bars tuned to produce a chromatic scale and with resonators; played with small mallets


marina: a fancy dock for small yachts and cabin cruisers


Marineland: a commercial aquarium featuring trained dolphins


marker: some conspicuous object used to distinguish or mark something


marker: a writing implement for making a mark


market garden: a garden where fruit and vegetables are grown for marketing


marketplace: an area in a town where a public mercantile establishment is set up


market place: an area in a town where a public mercantile establishment is set up


mart: an area in a town where a public mercantile establishment is set up


market: an area in a town where a public mercantile establishment is set up


marline: a small usually tarred line of 2 strands


marlinespike: a pointed iron hand tool that is used to separate strands of a rope or cable (as in splicing)


marlinspike: a pointed iron hand tool that is used to separate strands of a rope or cable (as in splicing)


marlingspike: a pointed iron hand tool that is used to separate strands of a rope or cable (as in splicing)


marmite: a large pot especially one with legs used e.g. for cooking soup


marocain: a dress crepe; similar to Canton crepe


crepe marocain: a dress crepe; similar to Canton crepe


maroon: an exploding firework used as a warning signal


marquee: permanent canopy over an entrance of a hotel etc.


marquise: permanent canopy over an entrance of a hotel etc.


marquetry: inlaid veneers are fitted together to form a design or picture that is then used to ornament furniture


marqueterie: inlaid veneers are fitted together to form a design or picture that is then used to ornament furniture


marriage bed: the bed shared by a newly wed couple


marseille: strong cotton fabric with a raised pattern; used for bedspreads


marshalling yard: a railway yard in which trains are assembled and goods are loaded


martello tower: a circular masonry fort for coastal defence


martingale: a harness strap that connects the nose piece to the girth; prevents the horse from throwing back its head


mascara: makeup that is used to darken and thicken the eye lashes


maser: an acronym for microwave amplification by stimulated emission of radiation; an amplifier that works on the same principle as a laser and emits coherent microwave radiation


masher: a kitchen utensil used for mashing (e.g. potatoes)


mashie: middle-distance iron


five iron: middle-distance iron


mashie niblick: iron with a lofted face for hitting high shots to the green


seven iron: iron with a lofted face for hitting high shots to the green


masjid: (Islam) a Muslim place of worship


musjid: (Islam) a Muslim place of worship


mask: a covering to disguise or conceal the face


mask: a protective covering worn over the face


masking piece: scenery used to block the audience's view of parts of the stage that should not be seen


masking: scenery used to block the audience's view of parts of the stage that should not be seen


masking tape: adhesive tape used to cover the part of a surface that should not be painted


masking paper: adhesive tape used to cover the part of a surface that should not be painted


Masonite: a type of fiberboard


Mason jar: a glass jar with an air-tight screw top; used in home canning


masonry: structure built of stone or brick by a mason


mason's level: a level longer than a carpenter's level


Massachusetts Institute of Technology: an engineering university in Cambridge


MIT: an engineering university in Cambridge


massage parlor: a business establishment that offers therapeutic massage


massage parlor: a place where illicit sex is available under the guise of therapeutic massage


mass spectrograph: a mass spectrometer that produces a graphical representation of the mass spectrum


mass spectrometer: spectroscope for obtaining a mass spectrum by deflecting ions into a thin slit and measuring the ion current with an electrometer


spectrometer: spectroscope for obtaining a mass spectrum by deflecting ions into a thin slit and measuring the ion current with an electrometer


mast: a vertical spar for supporting sails


mast: any sturdy upright pole


mastaba: an ancient Egyptian mud-brick tomb with a rectangular base and sloping sides and flat roof


mastabah: an ancient Egyptian mud-brick tomb with a rectangular base and sloping sides and flat roof


master: an original creation (i.e., an audio recording) from which copies can be made


master copy: an original creation (i.e., an audio recording) from which copies can be made


original: an original creation (i.e., an audio recording) from which copies can be made


master bedroom: the principal bedroom in a house; usually occupied by the head of the household


masterpiece: the most outstanding work of a creative artist or craftsman


chef-d'oeuvre: the most outstanding work of a creative artist or craftsman


masthead: the head or top of a mast


mat: a thick flat pad used as a floor covering


mat: sports equipment consisting of a piece of thick padding on the floor for gymnastic sports


gym mat: sports equipment consisting of a piece of thick padding on the floor for gymnastic sports


mat: a small pad of material that is used to protect surface from an object placed on it


mat: mounting consisting of a border or background for a picture


matting: mounting consisting of a border or background for a picture


match: lighter consisting of a thin piece of wood or cardboard tipped with combustible chemical; ignites with friction


lucifer: lighter consisting of a thin piece of wood or cardboard tipped with combustible chemical; ignites with friction


friction match: lighter consisting of a thin piece of wood or cardboard tipped with combustible chemical; ignites with friction


match: an exact duplicate


mate: an exact duplicate


match: a burning piece of wood or cardboard


matchboard: a board that has a groove cut into one edge and a tongue cut into the other so they fit tightly together (as in a floor)


matchbook: a small folder of paper safety matches


matchbox: a box for holding matches


matchlock: an early style of musket; a slow-burning wick would be lowered into a hole in the breech to ignite the charge


match plane: a plane having cutters designed to make the tongues and grooves on the edges of matchboards


tonguing and grooving plane: a plane having cutters designed to make the tongues and grooves on the edges of matchboards


matchstick: a short thin stick of wood used in making matches


material: things needed for doing or making something


materiel: equipment and supplies of a military force


equipage: equipment and supplies of a military force


maternity hospital: a hospital that provides care for women during pregnancy and childbirth and for newborn infants


maternity ward: a hospital ward that provides care for women during pregnancy and childbirth and for newborn infants


matrix: mold used in the production of phonograph records, type, or other relief surface


Matthew Walker: a kind of stopper knot


Matthew Walker knot: a kind of stopper knot


matting: a covering of coarse fabric (usually of straw or hemp)


mattock: a kind of pick that is used for digging; has a flat blade set at right angles to the handle


mattress: a large thick pad filled with resilient material and often incorporating coiled springs, used as a bed or part of a bed


mattress cover: bedclothes that provide a cover for a mattress


mattress pad: a protective pad over a mattress to protect it


maul: a heavy long-handled hammer used to drive stakes or wedges


sledge: a heavy long-handled hammer used to drive stakes or wedges


sledgehammer: a heavy long-handled hammer used to drive stakes or wedges


maulstick: a long stick that a painter uses to support the hand holding the brush


mahlstick: a long stick that a painter uses to support the hand holding the brush


Mauser: trademark for a repeating rifle or pistol


mausoleum: a large burial chamber, usually above ground


Mausoleum at Halicarnasus: a white marble mausoleum 140 feet high built in 352 BC at Halicarnassus as a memorial to a king; destroyed in 1402


maxi: a long skirt ending below the calf


Maxim gun: an obsolete water-cooled machine gun having a single barrel


maximum and minimum thermometer: thermometer that records the highest and lowest temperatures reached during a period of time


Maxzide: trade name for an antihypertensive drug containing hydrochlorothiazide and another diuretic


Mayflower: the ship in which the Pilgrim Fathers sailed from England to Massachusetts in 1620


maypole: a vertical pole or post decorated with streamers that can be held by dancers celebrating May Day


maze: complex system of paths or tunnels in which it is easy to get lost


labyrinth: complex system of paths or tunnels in which it is easy to get lost


mazer: a large hardwood drinking bowl


means: an instrumentality for accomplishing some end


measure: a container of some standard capacity that is used to obtain fixed amounts of a substance


measuring cup: graduated cup used to measure liquid or granular ingredients


measuring instrument: instrument that shows the extent or amount or quantity or degree of something


measuring system: instrument that shows the extent or amount or quantity or degree of something


measuring device: instrument that shows the extent or amount or quantity or degree of something


measuring stick: measuring instrument having a sequence of marks at regular intervals; used as a reference in making measurements


measure: measuring instrument having a sequence of marks at regular intervals; used as a reference in making measurements


measuring rod: measuring instrument having a sequence of marks at regular intervals; used as a reference in making measurements


meat counter: counter where meats are displayed for sale


meat grinder: a mill for grinding meat


meat hook: a strong pointed hook from which the carcasses of animals are hung


meat house: a small house (on a farm) where meat is stored


meat safe: a safe for storing meat


meat thermometer: a thermometer that is inserted into the center of a roast (with the top away from the heat source); used to measure how well done the meat is


mebendazole: an anthelmintic used to treat hookworm and pinworm and roundworm infestations


Meccano: a child's construction set for making mechanical models


Meccano set: a child's construction set for making mechanical models


mechanical device: mechanism consisting of a device that works on mechanical principles


mechanical drawing: scale drawing of a machine or architectural plan etc,


mechanical piano: a mechanically operated piano that uses a roll of perforated paper to activate the keys


Pianola: a mechanically operated piano that uses a roll of perforated paper to activate the keys


player piano: a mechanically operated piano that uses a roll of perforated paper to activate the keys


mechanical system: a system of elements that interact on mechanical principles


mechanism: device consisting of a piece of machinery; has moving parts that perform some function


meclizine: an antihistamine (trade name Antivert) used to treat or prevent motion sickness


meclizine hydrochloride: an antihistamine (trade name Antivert) used to treat or prevent motion sickness


Antivert: an antihistamine (trade name Antivert) used to treat or prevent motion sickness


meclofenamate: a nonsteroidal anti-inflammatory (trade name Meclomen) used to treat arthritis


meclofenamate sodium: a nonsteroidal anti-inflammatory (trade name Meclomen) used to treat arthritis


Meclomen: a nonsteroidal anti-inflammatory (trade name Meclomen) used to treat arthritis


medical building: building where medicine is practiced


health facility: building where medicine is practiced


healthcare facility: building where medicine is practiced


medical instrument: instrument used in the practice of medicine


medicine: (medicine) something that treats or prevents or alleviates the symptoms of disease


medication: (medicine) something that treats or prevents or alleviates the symptoms of disease


medicament: (medicine) something that treats or prevents or alleviates the symptoms of disease


medicinal drug: (medicine) something that treats or prevents or alleviates the symptoms of disease


medicine ball: heavy ball used in physical training


medicine chest: cabinet that holds medicines and toiletries


medicine cabinet: cabinet that holds medicines and toiletries


MEDLINE: the computer-based telephone system of the United States National Library of Medicine that provides rapid linkage to MEDLARS


meerschaum: a pipe having a bowl made of meerschaum


mefenamic acid: a nonsteroidal anti-inflammatory and analgesic drug (trade name Ponstel) used to treat mild pain (especially menstrual cramps)


Ponstel: a nonsteroidal anti-inflammatory and analgesic drug (trade name Ponstel) used to treat mild pain (especially menstrual cramps)


mefloquine: an antimalarial drug (trade name Larium and Mephaquine) that is effective in cases that do not respond to chloroquine; said to produce harmful neuropsychiatric effects on some people


mefloquine hydrochloride: an antimalarial drug (trade name Larium and Mephaquine) that is effective in cases that do not respond to chloroquine; said to produce harmful neuropsychiatric effects on some people


Larium: an antimalarial drug (trade name Larium and Mephaquine) that is effective in cases that do not respond to chloroquine; said to produce harmful neuropsychiatric effects on some people


Mephaquine: an antimalarial drug (trade name Larium and Mephaquine) that is effective in cases that do not respond to chloroquine; said to produce harmful neuropsychiatric effects on some people


megalith: memorial consisting of a very large stone forming part of a prehistoric structure (especially in western Europe)


megalithic structure: memorial consisting of a very large stone forming part of a prehistoric structure (especially in western Europe)


megaphone: a cone-shaped acoustic device held to the mouth to intensify and direct the human voice


megaton bomb: a nuclear weapon with an explosive power equivalent to one million tons of TNT


melphalan: antineoplastic drug (trade name Alkeran) used to treat multiple myeloma and some other malignancies


Alkeran: antineoplastic drug (trade name Alkeran) used to treat multiple myeloma and some other malignancies


membrane: a thin pliable sheet of material


memorial: a structure erected to commemorate persons or events


monument: a structure erected to commemorate persons or events


memory: an electronic memory device


computer memory: an electronic memory device


storage: an electronic memory device


computer storage: an electronic memory device


store: an electronic memory device


memory board: an electronic memory device


memory chip: a RAM microchip that can be plugged into a computer to provide additional memory


memory device: a device that preserves information for retrieval


storage device: a device that preserves information for retrieval


menagerie: the facility where wild animals are housed for exhibition


zoo: the facility where wild animals are housed for exhibition


zoological garden: the facility where wild animals are housed for exhibition


mend: sewing that repairs a worn or torn hole (especially in a garment)


patch: sewing that repairs a worn or torn hole (especially in a garment)


darn: sewing that repairs a worn or torn hole (especially in a garment)


mending: garments that must be repaired


menhir: a tall upright megalith; found primarily in England and northern France


standing stone: a tall upright megalith; found primarily in England and northern France


meniscus: (physics) the curved upper surface of a nonturbulent liquid in a vertical tube


meniscus: (optics) a lens that is concave on one side and convex on the other


menorah: (Judaism) a candelabrum with nine branches; used during the Hanukkah festival


Menorah: (Judaism) a candelabrum with seven branches used in ceremonies to symbolize the seven days of Creation


man's clothing: clothing that is designed for men to wear


men's room: a public toilet for men


men's: a public toilet for men


mental hospital: a hospital for mentally incompetent or unbalanced person


psychiatric hospital: a hospital for mentally incompetent or unbalanced person


mental institution: a hospital for mentally incompetent or unbalanced person


institution: a hospital for mentally incompetent or unbalanced person


mental home: a hospital for mentally incompetent or unbalanced person


insane asylum: a hospital for mentally incompetent or unbalanced person


asylum: a hospital for mentally incompetent or unbalanced person


menthol: a lotion containing menthol which gives it the smell of mint


mentholated salve: a salve containing menthol


meperidine: a synthetic narcotic drug (trade name Demerol) used to treat pain


meperidine hydrochloride: a synthetic narcotic drug (trade name Demerol) used to treat pain


Demerol: a synthetic narcotic drug (trade name Demerol) used to treat pain


mephenytoin: a toxic anticonvulsant drug (trade name Mesantoin) used in the treatment of epilepsy when less toxic anticonvulsants have been ineffective


Mesantoin: a toxic anticonvulsant drug (trade name Mesantoin) used in the treatment of epilepsy when less toxic anticonvulsants have been ineffective


mephobarbital: a long-acting crystalline barbiturate (trade name Mebaral) used as a sedative and as an anticonvulsant in the treatment of epilepsy


Mebaral: a long-acting crystalline barbiturate (trade name Mebaral) used as a sedative and as an anticonvulsant in the treatment of epilepsy


meprobamate: a sedative and tranquilizer (trade name Miltown and Equanil and Meprin) used to treat muscle tension and anxiety


Miltown: a sedative and tranquilizer (trade name Miltown and Equanil and Meprin) used to treat muscle tension and anxiety


Equanil: a sedative and tranquilizer (trade name Miltown and Equanil and Meprin) used to treat muscle tension and anxiety


Meprin: a sedative and tranquilizer (trade name Miltown and Equanil and Meprin) used to treat muscle tension and anxiety


merbromine: a mercurial compound applied topically as an antiseptic; Mercurochrome is the trademark


Mercurochrome: a mercurial compound applied topically as an antiseptic; Mercurochrome is the trademark


mercantile establishment: a place of business for retailing goods


retail store: a place of business for retailing goods


sales outlet: a place of business for retailing goods


outlet: a place of business for retailing goods


mercaptopurine: a drug (trade name Purinethol) that interferes with the metabolism of purine and is used to treat acute lymphocytic leukemia


Purinethol: a drug (trade name Purinethol) that interferes with the metabolism of purine and is used to treat acute lymphocytic leukemia


Mercator projection: a map projection of the earth onto a cylinder; areas appear greater the farther they are from the equator


Mercator's projection: a map projection of the earth onto a cylinder; areas appear greater the farther they are from the equator


merchandise: commodities offered for sale


ware: commodities offered for sale


product: commodities offered for sale


mercurial ointment: an ointment containing mercury


mercury barometer: barometer that shows pressure by the height of a column of mercury


mercury cell: a primary cell consisting of a zinc anode and a cathode of mercury oxide and an electrolyte of potassium hydroxide


mercury thermometer: thermometer consisting of mercury contained in a bulb at the bottom of a graduated sealed glass capillary tube marked in degrees Celsius or Fahrenheit; mercury expands with a rise in temperature causing a thin thread of mercury to rise in the tube


mercury-in-glass thermometer: thermometer consisting of mercury contained in a bulb at the bottom of a graduated sealed glass capillary tube marked in degrees Celsius or Fahrenheit; mercury expands with a rise in temperature causing a thin thread of mercury to rise in the tube


mercury-vapor lamp: ultraviolet lamp that emits a strong bluish light (rich in ultraviolet radiation) as electric current passes through mercury vapor


mercy seat: the golden covering of the ark of the covenant


mercy seat: the throne of God


merlon: a solid section between two crenels in a crenelated battlement


Merrimac: an ironclad vessel built by the Confederate forces in the hope of breaking the blockade imposed by the North


mescaline: the hallucinatory alkaloid that is the active agent in mescal buttons


peyote: the hallucinatory alkaloid that is the active agent in mescal buttons


mess: a (large) military dining room where service personnel eat or relax


mess hall: a (large) military dining room where service personnel eat or relax


mess jacket: waist-length jacket tapering to a point at the back; worn by officers in the mess for formal dinners


monkey jacket: waist-length jacket tapering to a point at the back; worn by officers in the mess for formal dinners


shell jacket: waist-length jacket tapering to a point at the back; worn by officers in the mess for formal dinners


mess kit: kit containing a metal dish and eating utensils; used by soldiers and campers


messuage: (law) a dwelling house and its adjacent buildings and the adjacent land used by the household


metal detector: detector that gives a signal when it detects the presence of metal; used to detect the presence of stray bits of metal in food products or to find buried metal


metallic: a yarn made partly or entirely of metal


metallic: a fabric made of a yarn that is partly or entirely of metal


metal screw: screw made of metal


metalware: household articles made of metal (especially for use at table)


metal wood: golf wood with a metal head instead of the traditional wooden head


metalwork: the metal parts of something


metaproterenol: a bronchodilator (trade name Alupent) used to treat asthma and emphysema and other lung conditions; available in oral or inhalant forms; side effects include tachycardia and shakiness


Alupent: a bronchodilator (trade name Alupent) used to treat asthma and emphysema and other lung conditions; available in oral or inhalant forms; side effects include tachycardia and shakiness


meteorological balloon: a small unmanned balloon set aloft to observe atmospheric conditions


meter: any of various measuring instruments for measuring a quantity


meterstick: a rule one meter long (usually marked off in centimeters and millimeters)


metrestick: a rule one meter long (usually marked off in centimeters and millimeters)


metformin: an antidiabetic drug (trade name Glucophage) prescribed to treat type II diabetes


Glucophage: an antidiabetic drug (trade name Glucophage) prescribed to treat type II diabetes


methacholine: parasympathomimetic drug (trademark Mecholyl) that stimulates secretions and smooth muscle activity


Mecholyl: parasympathomimetic drug (trademark Mecholyl) that stimulates secretions and smooth muscle activity


methadone: synthetic narcotic drug similar to morphine but less habit-forming; used in narcotic detoxification and maintenance of heroin addiction


methadone hydrochloride: synthetic narcotic drug similar to morphine but less habit-forming; used in narcotic detoxification and maintenance of heroin addiction


methadon: synthetic narcotic drug similar to morphine but less habit-forming; used in narcotic detoxification and maintenance of heroin addiction


dolophine hydrochloride: synthetic narcotic drug similar to morphine but less habit-forming; used in narcotic detoxification and maintenance of heroin addiction


fixer: synthetic narcotic drug similar to morphine but less habit-forming; used in narcotic detoxification and maintenance of heroin addiction


synthetic heroin: synthetic narcotic drug similar to morphine but less habit-forming; used in narcotic detoxification and maintenance of heroin addiction


methamphetamine: an amphetamine derivative (trade name Methedrine) used in the form of a crystalline hydrochloride; used as a stimulant to the nervous system and as an appetite suppressant


methamphetamine hydrochloride: an amphetamine derivative (trade name Methedrine) used in the form of a crystalline hydrochloride; used as a stimulant to the nervous system and as an appetite suppressant


Methedrine: an amphetamine derivative (trade name Methedrine) used in the form of a crystalline hydrochloride; used as a stimulant to the nervous system and as an appetite suppressant


meth: an amphetamine derivative (trade name Methedrine) used in the form of a crystalline hydrochloride; used as a stimulant to the nervous system and as an appetite suppressant


deoxyephedrine: an amphetamine derivative (trade name Methedrine) used in the form of a crystalline hydrochloride; used as a stimulant to the nervous system and as an appetite suppressant


chalk: an amphetamine derivative (trade name Methedrine) used in the form of a crystalline hydrochloride; used as a stimulant to the nervous system and as an appetite suppressant


chicken feed: an amphetamine derivative (trade name Methedrine) used in the form of a crystalline hydrochloride; used as a stimulant to the nervous system and as an appetite suppressant


crank: an amphetamine derivative (trade name Methedrine) used in the form of a crystalline hydrochloride; used as a stimulant to the nervous system and as an appetite suppressant


glass: an amphetamine derivative (trade name Methedrine) used in the form of a crystalline hydrochloride; used as a stimulant to the nervous system and as an appetite suppressant


ice: an amphetamine derivative (trade name Methedrine) used in the form of a crystalline hydrochloride; used as a stimulant to the nervous system and as an appetite suppressant


shabu: an amphetamine derivative (trade name Methedrine) used in the form of a crystalline hydrochloride; used as a stimulant to the nervous system and as an appetite suppressant


trash: an amphetamine derivative (trade name Methedrine) used in the form of a crystalline hydrochloride; used as a stimulant to the nervous system and as an appetite suppressant


methapyrilene: antihistamine used to treat allergic responses (as rhinitis or dermatitis or pruritus)


methaqualone: sedative-hypnotic drug (trade name Quaalude) that is a drug of abuse


Quaalude: sedative-hypnotic drug (trade name Quaalude) that is a drug of abuse


metharbital: anticonvulsant drug (trade name Gemonil) used in the treatment of epilepsy


Gemonil: anticonvulsant drug (trade name Gemonil) used in the treatment of epilepsy


methenamine: antibacterial agent (trade names Mandelamine and Urex) that is contained in many products that are used to treat urinary infections


Mandelamine: antibacterial agent (trade names Mandelamine and Urex) that is contained in many products that are used to treat urinary infections


Urex: antibacterial agent (trade names Mandelamine and Urex) that is contained in many products that are used to treat urinary infections


methicillin: antibiotic drug of the penicillin family used in the treatment of certain staphylococcal infections


methocarbamol: muscle relaxant for skeletal muscles (trade name Robaxin) used to treat spasms


Robaxin: muscle relaxant for skeletal muscles (trade name Robaxin) used to treat spasms


methotrexate: toxic antimetabolite that limits cellular reproduction by acting as an antagonist to folic acid; used to treat certain cancers and psoriasis and rheumatoid arthritis


methotrexate sodium: toxic antimetabolite that limits cellular reproduction by acting as an antagonist to folic acid; used to treat certain cancers and psoriasis and rheumatoid arthritis


amethopterin: toxic antimetabolite that limits cellular reproduction by acting as an antagonist to folic acid; used to treat certain cancers and psoriasis and rheumatoid arthritis


methyldopa: antihypertensive drug (trade name Aldomet) used in the treatment of high blood pressure


alpha methyl dopa: antihypertensive drug (trade name Aldomet) used in the treatment of high blood pressure


Aldomet: antihypertensive drug (trade name Aldomet) used in the treatment of high blood pressure


methylenedioxymethamphetamine: a stimulant drug that is chemically related to mescaline and amphetamine and is used illicitly for its euphoric and hallucinogenic effects; it was formerly used in psychotherapy but in 1985 it was declared illegal in the United States


MDMA: a stimulant drug that is chemically related to mescaline and amphetamine and is used illicitly for its euphoric and hallucinogenic effects; it was formerly used in psychotherapy but in 1985 it was declared illegal in the United States


methylphenidate: central nervous system stimulant (trade name Ritalin) used in the treatment of narcolepsy in adults and attention deficit disorder in children


Ritalin: central nervous system stimulant (trade name Ritalin) used in the treatment of narcolepsy in adults and attention deficit disorder in children


metoprolol: beta blocker (trade name Lopressor) used in treating hypertension and angina and arrhythmia and acute myocardial infarction; has adverse side effects (depression and exacerbation of congestive heart failure etc.)


Lopressor: beta blocker (trade name Lopressor) used in treating hypertension and angina and arrhythmia and acute myocardial infarction; has adverse side effects (depression and exacerbation of congestive heart failure etc.)


metro: an electric railway operating below the surface of the ground (usually in a city)


tube: an electric railway operating below the surface of the ground (usually in a city)


underground: an electric railway operating below the surface of the ground (usually in a city)


subway system: an electric railway operating below the surface of the ground (usually in a city)


subway: an electric railway operating below the surface of the ground (usually in a city)


metronidazole: antiprotozoal medication (trade name Flagyl) used to treat trichomoniasis and giardiasis


Flagyl: antiprotozoal medication (trade name Flagyl) used to treat trichomoniasis and giardiasis


metronome: clicking pendulum indicates the exact tempo of a piece of music


mews: street lined with buildings that were originally private stables but have been remodeled as dwellings


mexiletine: antiarrhythmic drug (trade name Mexitil) used to treat ventricular arrhythmias


Mexitil: antiarrhythmic drug (trade name Mexitil) used to treat ventricular arrhythmias


mezzanine: intermediate floor just above the ground floor


mezzanine floor: intermediate floor just above the ground floor


entresol: intermediate floor just above the ground floor


mezzanine: first or lowest balcony


first balcony: first or lowest balcony


mezzo-relievo: a sculptural relief between low relief and high relief


mezzo-rilievo: a sculptural relief between low relief and high relief


half-relief: a sculptural relief between low relief and high relief


mezzotint: print produced by an engraving that has been scraped to represent light or shade


Mickey Finn: slang term for knockout drops


miconazole: an antifungal agent usually administered in the form of a nitrate (trade name Monistat)


Monistat: an antifungal agent usually administered in the form of a nitrate (trade name Monistat)


microbalance: balance for weighing very small objects


microbrewery: a small brewery; consumption of the product is mainly elsewhere


microdot: photograph reduced to the size of a dot (usually for purposes of security)


microfiche: small sheet of microfilm on which many pages of material have been photographed; a magnification system is used to read the material


microfilm: film on which materials are photographed at greatly reduced size; useful for storage; a magnification system is used to read the material


micrometer: caliper for measuring small distances


micrometer gauge: caliper for measuring small distances


micrometer caliper: caliper for measuring small distances


Micronor: trade name for and oral contraceptive containing the progestin compound norethindrone


microphone: device for converting sound waves into electrical energy


mike: device for converting sound waves into electrical energy


microphotometer: special kind of densitometer that measures density variations over a very small area


microprocessor: integrated circuit semiconductor chip that performs the bulk of the processing and controls the parts of a system


microscope: magnifier of the image of small objects


microtome: scientific instrument that cuts thin slices of something for microscopic examination


microwave: kitchen appliance that cooks food by passing an electromagnetic wave through it; heat results from the absorption of energy by the water molecules in the food


microwave oven: kitchen appliance that cooks food by passing an electromagnetic wave through it; heat results from the absorption of energy by the water molecules in the food


microwave bomb: a bomb that explodes in midair and releases a massive burst of electromagnetic energy sufficient to disable computers and telecommunications without killing people or damaging buildings


E-bomb: a bomb that explodes in midair and releases a massive burst of electromagnetic energy sufficient to disable computers and telecommunications without killing people or damaging buildings


microwave diathermy machine: diathermy machine that uses microwave radiation as the source of heat


microwave linear accelerator: linear accelerator that uses microwaves


midazolam: an injectable form of benzodiazepine (trade name Versed) useful for sedation and for reducing pain during uncomfortable medical procedures


Versed: an injectable form of benzodiazepine (trade name Versed) useful for sedation and for reducing pain during uncomfortable medical procedures


middling: any commodity of intermediate quality or size (especially when coarse particles of ground wheat are mixed with bran)


middy: blouse with a sailor collar


middy blouse: blouse with a sailor collar


midiron: long iron with a nearly vertical face


two iron: long iron with a nearly vertical face


mihrab: (Islam) a niche in the wall of a mosque that indicates the direction of Mecca


mihrab: (Islam) a design in the shape of niche in a Muslim prayer rug; during worship the niche must be pointed toward Mecca


mild silver protein: antiseptic consisting of a compound of protein and silver (trade name Argyrol)


Argyrol: antiseptic consisting of a compound of protein and silver (trade name Argyrol)


military hospital: hospital for soldiers and other military personnel


military installation: any facility servicing military forces


military post: military installation at which a body of troops is stationed


post: military installation at which a body of troops is stationed


military quarters: living quarters for personnel on a military post


military uniform: prescribed identifying uniform for soldiers


military vehicle: vehicle used by the armed forces


milk bar: snack bar that sells milk drinks and light refreshments (such as ice cream)


milk can: large can for transporting milk


milk float: a van (typically powered by electricity) with an open side that is used to deliver milk to houses


milking machine: machine consisting of a suction apparatus for milking cows mechanically


milking stool: low three-legged stool with a half round seat; used to sit on while milking a cow


milk of magnesia: purgative consisting of a milky white liquid suspension of magnesium hydroxide; used as a laxative and (in smaller doses) as an antacid


milk wagon: wagon for delivering milk


milkwagon: wagon for delivering milk


mill: machinery that processes materials by grinding or crushing


grinder: machinery that processes materials by grinding or crushing


milling machinery: machinery that processes materials by grinding or crushing


milldam: dam to make a millpond to provide power for a water mill


miller: machine tool in which metal that is secured to a carriage is fed against rotating cutters that shape it


milling machine: machine tool in which metal that is secured to a carriage is fed against rotating cutters that shape it


milliammeter: a sensitive ammeter graduated in milliamperes


millinery: hats for women; the wares sold by a milliner


woman's hat: hats for women; the wares sold by a milliner


millinery: shop selling women's hats


hat shop: shop selling women's hats


milling: corrugated edge of a coin


millivoltmeter: sensitive voltmeter that can measure voltage in millivolts


millrace: a channel for the water current that turns a millwheel


millrun: a channel for the water current that turns a millwheel


millstone: one of a pair of heavy flat disk-shaped stones that are rotated against one another to grind the grain


millstone: any load that is difficult to carry


millwheel: water wheel that is used to drive machinery in a mill


mill wheel: water wheel that is used to drive machinery in a mill


millwork: woodwork that has been machined at a mill


mimeograph: a rotary duplicator that uses a stencil through which ink is pressed (trade mark Roneo)


mimeo: a rotary duplicator that uses a stencil through which ink is pressed (trade mark Roneo)


mimeograph machine: a rotary duplicator that uses a stencil through which ink is pressed (trade mark Roneo)


Roneo: a rotary duplicator that uses a stencil through which ink is pressed (trade mark Roneo)


Roneograph: a rotary duplicator that uses a stencil through which ink is pressed (trade mark Roneo)


minaret: slender tower with balconies


Minato Ohashi Bridge: cantilever bridge at Osaka, Japan


mincer: a kitchen utensil that cuts or chops food (especially meat) into small pieces


mincing machine: a kitchen utensil that cuts or chops food (especially meat) into small pieces


mine: explosive device that explodes on contact; designed to destroy vehicles or ships or to kill or maim personnel


mine: excavation in the earth from which ores and minerals are extracted


mine detector: detector consisting of an electromagnetic device; used to locate explosive mines


minelayer: ship equipped for laying marine mines


mineshaft: excavation consisting of a vertical or sloping passageway for finding or mining ore or for ventilating a mine


minesweeper: ship equipped to detect and then destroy or neutralize or remove marine mines


miniature: a copy that reproduces a person or thing in greatly reduced size


toy: a copy that reproduces a person or thing in greatly reduced size


miniature: painting or drawing included in a book (especially in illuminated medieval manuscripts)


illumination: painting or drawing included in a book (especially in illuminated medieval manuscripts)


minibar: sideboard with compartments for holding bottles


cellaret: sideboard with compartments for holding bottles


minibike: small motorcycle with a low frame and small wheels and elevated handlebars


motorbike: small motorcycle with a low frame and small wheels and elevated handlebars


minibus: a light bus (4 to 10 passengers)


minicab: a minicar used as a taxicab


minicar: a car that is even smaller than a subcompact car


minicomputer: a digital computer of medium size


ministry: building where the business of a government department is transacted


miniskirt: a very short skirt


mini: a very short skirt


minisub: submersible vessel for one or two persons; for naval operations or underwater exploration


minisubmarine: submersible vessel for one or two persons; for naval operations or underwater exploration


minivan: a small box-shaped passenger van; usually has removable seats; used as a family car


miniver: trimming on ceremonial robes consisting of white or light grey fur


mink: fur coat made from the soft lustrous fur of minks


mink coat: fur coat made from the soft lustrous fur of minks


minocycline: tetracycline antibiotic (trade name Minocin) used to treat a variety of bacterial and rickettsial infections


Minocin: tetracycline antibiotic (trade name Minocin) used to treat a variety of bacterial and rickettsial infections


minor suit: ( bridge) a suit of inferior scoring value, either diamonds or clubs


minor tranquilizer: a tranquilizer used to relieve anxiety and reduce tension and irritability


minor tranquillizer: a tranquilizer used to relieve anxiety and reduce tension and irritability


minor tranquilliser: a tranquilizer used to relieve anxiety and reduce tension and irritability


antianxiety drug: a tranquilizer used to relieve anxiety and reduce tension and irritability


anxiolytic: a tranquilizer used to relieve anxiety and reduce tension and irritability


anxiolytic drug: a tranquilizer used to relieve anxiety and reduce tension and irritability


minoxidil: a vasodilator (trade name Loniten) used to treat severe hypertension; one side effect is hirsutism so it is also sold (trade name Rogaine) as a treatment for male-patterned baldness


Loniten: a vasodilator (trade name Loniten) used to treat severe hypertension; one side effect is hirsutism so it is also sold (trade name Rogaine) as a treatment for male-patterned baldness


Rogaine: a vasodilator (trade name Loniten) used to treat severe hypertension; one side effect is hirsutism so it is also sold (trade name Rogaine) as a treatment for male-patterned baldness


minster: any of certain cathedrals and large churches; originally connected to a monastery


mint: a plant where money is coined by authority of the government


minute gun: (military) gun that is discharged once every minute (usually as part of a military funeral)


minute hand: points to the minutes


big hand: points to the minutes


Minuteman: a strategic weapon system using a guided missile of intercontinental range; missiles are equipped with nuclear warheads and dispersed in hardened silos


miotic drug: a drug that causes miosis (constriction of the pupil of the eye)


myotic drug: a drug that causes miosis (constriction of the pupil of the eye)


miotic: a drug that causes miosis (constriction of the pupil of the eye)


myotic: a drug that causes miosis (constriction of the pupil of the eye)


mirror: polished surface that forms images by reflecting light


mise en scene: arrangement of scenery and properties to represent the place where a play or movie is enacted


stage setting: arrangement of scenery and properties to represent the place where a play or movie is enacted


setting: arrangement of scenery and properties to represent the place where a play or movie is enacted


missile: a rocket carrying a warhead of conventional or nuclear explosives; may be ballistic or directed by remote control


missile defense system: naval weaponry providing a defense system


missile defence system: naval weaponry providing a defense system


miter: a liturgical headdress worn by bishops on formal occasions


mitre: a liturgical headdress worn by bishops on formal occasions


miter: the surface of a beveled end of a piece where a miter joint is made


mitre: the surface of a beveled end of a piece where a miter joint is made


miter box: hand tool for guiding handsaws in making crosscuts or miter joints


mitre box: hand tool for guiding handsaws in making crosscuts or miter joints


miter joint: joint that forms a corner; usually both sides are bevelled at a 45-degree angle to form a 90-degree corner


mitre joint: joint that forms a corner; usually both sides are bevelled at a 45-degree angle to form a 90-degree corner


miter: joint that forms a corner; usually both sides are bevelled at a 45-degree angle to form a 90-degree corner


mitre: joint that forms a corner; usually both sides are bevelled at a 45-degree angle to form a 90-degree corner


mithramycin: an antineoplastic drug (trade name Mithracin) used to treat cancer of the testes


Mithracin: an antineoplastic drug (trade name Mithracin) used to treat cancer of the testes


mitomycin: a complex of antibiotic substances obtained from a streptomyces bacterium; one form (trade name Mutamycin) shows promise as an anticancer drug


Mutamycin: a complex of antibiotic substances obtained from a streptomyces bacterium; one form (trade name Mutamycin) shows promise as an anticancer drug


mitten: glove that encases the thumb separately and the other four fingers together


mixer: a kitchen utensil that is used for mixing foods


mixer: electronic equipment that mixes two or more input signals to give a single output signal


mixing bowl: bowl used with an electric mixer


mixing faucet: single faucet for separate hot and cold water pipes


mizzen: fore-and-aft sail set on the mizzenmast


mizen: fore-and-aft sail set on the mizzenmast


mizzenmast: third mast from the bow in a vessel having three or more masts; the after and shorter mast of a yawl, ketch, or dandy


mizenmast: third mast from the bow in a vessel having three or more masts; the after and shorter mast of a yawl, ketch, or dandy


mizzen: third mast from the bow in a vessel having three or more masts; the after and shorter mast of a yawl, ketch, or dandy


mizen: third mast from the bow in a vessel having three or more masts; the after and shorter mast of a yawl, ketch, or dandy


moat: ditch dug as a fortification and usually filled with water


fosse: ditch dug as a fortification and usually filled with water


mobcap: large high frilly cap with a full crown; formerly worn indoors by women


mobile: sculpture suspended in midair whose delicately balanced parts can be set in motion by air currents


mobile home: a large house trailer that can be connected to utilities and can be parked in one place and used as permanent housing


manufactured home: a large house trailer that can be connected to utilities and can be parked in one place and used as permanent housing


Mobius strip: a continuous closed surface with only one side; formed from a rectangular strip by rotating one end 180 degrees and joining it with the other end


moccasin: soft leather shoe; originally worn by Native Americans


mocassin: soft leather shoe; originally worn by Native Americans


mock-up: full-scale working model of something built for study or testing or display


mod con: modern convenience; the appliances and conveniences characteristic of a modern house


model: representation of something (sometimes on a smaller scale)


simulation: representation of something (sometimes on a smaller scale)


Model T: the first widely available automobile powered by a gasoline engine; mass-produced by Henry Ford from 1908 to 1927


modem: (from a combination of MOdulate and DEModulate) electronic equipment consisting of a device used to connect computers by a telephone line


modernism: genre of art and literature that makes a self-conscious break with previous genres


Modicon: trade name for an oral contraceptive containing estradiol and norethindrone


modification: slightly modified copy; not an exact copy


modillion: (architecture) one of a set of ornamental brackets under a cornice


module: a self-contained component (unit or item) that is used in combination with other components


module: computer circuit consisting of an assembly of electronic components (as of computer hardware)


module: detachable compartment of a spacecraft


mohair: fabric made with yarn made from the silky hair of the Angora goat


moire: silk fabric with a wavy surface pattern


watered-silk: silk fabric with a wavy surface pattern


mold: container into which liquid is poured to create a given shape when it hardens


mould: container into which liquid is poured to create a given shape when it hardens


cast: container into which liquid is poured to create a given shape when it hardens


mold: sculpture produced by molding


mould: sculpture produced by molding


molding: sculpture produced by molding


moulding: sculpture produced by molding


modeling: sculpture produced by molding


clay sculpture: sculpture produced by molding


moldboard: wedge formed by the curved part of a steel plow blade that turns the furrow


mouldboard: wedge formed by the curved part of a steel plow blade that turns the furrow


moldboard plow: plow that has a moldboard


mouldboard plough: plow that has a moldboard


molding: a decorative recessed or relieved surface on an edge


moulding: a decorative recessed or relieved surface on an edge


border: a decorative recessed or relieved surface on an edge


molding: a decorative strip used for ornamentation or finishing


moulding: a decorative strip used for ornamentation or finishing


moleskin: a durable cotton fabric with a velvety nap


molindone: antipsychotic drug (trade name Moban) used in the treatment of schizophrenia


Moban: antipsychotic drug (trade name Moban) used in the treatment of schizophrenia


Molotov cocktail: a crude incendiary bomb made of a bottle filled with flammable liquid and fitted with a rag wick


petrol bomb: a crude incendiary bomb made of a bottle filled with flammable liquid and fitted with a rag wick


gasoline bomb: a crude incendiary bomb made of a bottle filled with flammable liquid and fitted with a rag wick


monastery: the residence of a religious community


monastic habit: a long loose habit worn by monks in a monastery


moneybag: a drawstring bag for holding money


money belt: belt with a concealed section for holding money


monitor: a piece of electronic equipment that keeps track of the operation of a system continuously and warns of trouble


monitor: electronic equipment that is used to check the quality or content of electronic transmissions


monitor: display produced by a device that takes signals and displays them on a television screen or a computer monitor


monitoring device: display produced by a device that takes signals and displays them on a television screen or a computer monitor


Monitor: an ironclad vessel built by Federal forces to do battle with the Merrimac


monkey bridge: a high narrow platform above a deck or in an engine room or boiler room


monkey ladder: a light ladder to the monkey bridge on a ship


monkey-wrench: adjustable wrench that has one fixed and one adjustable jaw


monkey wrench: adjustable wrench that has one fixed and one adjustable jaw


monk's cloth: a heavy cloth in basket weave


monoamine oxidase inhibitor: any of a group of antidepressant drugs that inhibit the action of monoamine oxidase in the brain and so allow monoamines to accumulate


MAOI: any of a group of antidepressant drugs that inhibit the action of monoamine oxidase in the brain and so allow monoamines to accumulate


monochrome: painting done in a range of tones of a single color


monocle: lens for correcting defective vision in one eye; held in place by facial muscles


eyeglass: lens for correcting defective vision in one eye; held in place by facial muscles


monofocal lens implant: a lens with a single focus that is used after cataract surgery to provide clear distance vision


monofocal IOL: a lens with a single focus that is used after cataract surgery to provide clear distance vision


monolith: a single great stone (often in the form of a column or obelisk)


monoplane: an airplane with a single wing


monopoly board: a board used for playing monopoly


monorail: a railway having a single track


monotype: a typesetting machine operated from a keyboard that sets separate characters


monstrance: (Roman Catholic Church) a vessel (usually of gold or silver) in which the consecrated Host is exposed for adoration


ostensorium: (Roman Catholic Church) a vessel (usually of gold or silver) in which the consecrated Host is exposed for adoration


mooring: (nautical) a line that holds an object (especially a boat) in place


mooring line: (nautical) a line that holds an object (especially a boat) in place


mooring anchor: an anchor used to hold a mooring buoy or a channel marker in place


mooring tower: a tower for mooring airships


mooring mast: a tower for mooring airships


Moorish arch: a round arch that widens before rounding off


horseshoe arch: a round arch that widens before rounding off


moped: a motorbike that can be pedaled or driven by a low-powered gasoline engine


mop handle: the handle of a mop


moquette: a thick velvety synthetic fabric used for carpets and soft upholstery


moreen: a heavy fabric of wool (or wool and cotton) used mostly in upholstery or for curtains


morgue: a building (or room) where dead bodies are kept before burial or cremation


mortuary: a building (or room) where dead bodies are kept before burial or cremation


dead room: a building (or room) where dead bodies are kept before burial or cremation


morion: a metal helmet worn by common soldiers in the 16th century


cabasset: a metal helmet worn by common soldiers in the 16th century


morning-after pill: a large dose of estrogen taken orally within 24 to 72 hours after intercourse; prevents implantation of a fertilized ovum and so acts as a contraceptive; commonly used after rape or incest


morning dress: a woman's informal dress for housework


morning dress: formal attire for men during the daytime


morning room: a sitting room used during the daylight hours


morphine: an alkaloid narcotic drug extracted from opium; a powerful, habit-forming narcotic used to relieve pain


morphia: an alkaloid narcotic drug extracted from opium; a powerful, habit-forming narcotic used to relieve pain


Morris chair: an armchair with an adjustable back


mortar: a muzzle-loading high-angle gun with a short barrel that fires shells at high elevations for a short range


howitzer: a muzzle-loading high-angle gun with a short barrel that fires shells at high elevations for a short range


trench mortar: a muzzle-loading high-angle gun with a short barrel that fires shells at high elevations for a short range


mortar: a bowl-shaped vessel in which substances can be ground and mixed with a pestle


mortarboard: an academic cap with a flat square with a tassel on top


mortarboard: a square board with a handle underneath; used by masons to hold or carry mortar


hawk: a square board with a handle underneath; used by masons to hold or carry mortar


mortise: a square hole made to receive a tenon and so to form a joint


mortice: a square hole made to receive a tenon and so to form a joint


mortise joint: a joint made by inserting tenon on one piece into mortise holes in the other


mortise-and-tenon joint: a joint made by inserting tenon on one piece into mortise holes in the other


mosaic: art consisting of a design made of small pieces of colored stone or glass


mosaic: arrangement of aerial photographs forming a composite picture


arial mosaic: arrangement of aerial photographs forming a composite picture


photomosaic: arrangement of aerial photographs forming a composite picture


mosaic: transducer formed by the light-sensitive surface on a television camera tube


mosque: (Islam) a Muslim place of worship that usually has a minaret


mosquito net: a fine net or screen (especially around beds) to protect against mosquitos


motel: a motor hotel


motel room: a sleeping room in a motel


mothball: a small sphere of camphor or naphthalene used to keep moths away from stored clothing


camphor ball: a small sphere of camphor or naphthalene used to keep moths away from stored clothing


Mother Hubbard: a woman's loose unbelted dress


muumuu: a woman's loose unbelted dress


motif: a design or figure that consists of recurring shapes or colors, as in architecture or decoration


motive: a design or figure that consists of recurring shapes or colors, as in architecture or decoration


motion-picture camera: a camera that takes a sequence of photographs that can give the illusion of motion when viewed in rapid succession


movie camera: a camera that takes a sequence of photographs that can give the illusion of motion when viewed in rapid succession


cine-camera: a camera that takes a sequence of photographs that can give the illusion of motion when viewed in rapid succession


motion-picture film: photographic film several hundred feet long and wound on a spool; to be used in a movie camera


movie film: photographic film several hundred feet long and wound on a spool; to be used in a movie camera


cine-film: photographic film several hundred feet long and wound on a spool; to be used in a movie camera


motley: a multicolored woolen fabric woven of mixed threads in 14th to 17th century England


motley: a garment made of motley (especially a court jester's costume)


motor: machine that converts other forms of energy into mechanical energy and so imparts motion


motorboat: a boat propelled by an internal-combustion engine


powerboat: a boat propelled by an internal-combustion engine


motorcycle: a motor vehicle with two wheels and a strong frame


bike: a motor vehicle with two wheels and a strong frame


motor hotel: a hotel for motorists; provides direct access from rooms to parking area


motor inn: a hotel for motorists; provides direct access from rooms to parking area


motor lodge: a hotel for motorists; provides direct access from rooms to parking area


tourist court: a hotel for motorists; provides direct access from rooms to parking area


court: a hotel for motorists; provides direct access from rooms to parking area


motorized wheelchair: a wheelchair propelled by a motor


motor scooter: a wheeled vehicle with small wheels and a low-powered gasoline engine geared to the rear wheel


scooter: a wheeled vehicle with small wheels and a low-powered gasoline engine geared to the rear wheel


motor vehicle: a self-propelled wheeled vehicle that does not run on rails


automotive vehicle: a self-propelled wheeled vehicle that does not run on rails


mound: structure consisting of an artificial heap or bank usually of earth or stones


hill: structure consisting of an artificial heap or bank usually of earth or stones


mound: (baseball) the slight elevation on which the pitcher stands


hill: (baseball) the slight elevation on which the pitcher stands


pitcher's mound: (baseball) the slight elevation on which the pitcher stands


mount: a mounting consisting of a piece of metal (as in a ring or other jewelry) that holds a gem in place


setting: a mounting consisting of a piece of metal (as in a ring or other jewelry) that holds a gem in place


mountain bike: a bicycle with a sturdy frame and fat tires; originally designed for riding in mountainous country


all-terrain bike: a bicycle with a sturdy frame and fat tires; originally designed for riding in mountainous country


off-roader: a bicycle with a sturdy frame and fat tires; originally designed for riding in mountainous country


mountain tent: a lightweight tent with a floor; flaps close with a zipper


mountain trail: a trail through mountainous country


mounting: framework used for support or display


mourning ring: a ring worn as a memorial to a dead person


mouse: a hand-operated electronic device that controls the coordinates of a cursor on your computer screen as you move it around on a pad; on the bottom of the device is a ball that rolls on the surface of the pad


computer mouse: a hand-operated electronic device that controls the coordinates of a cursor on your computer screen as you move it around on a pad; on the bottom of the device is a ball that rolls on the surface of the pad


mouse button: a push button on the mouse


mouse-tooth forceps: a type of forceps


mousetrap: a trap for catching mice


mousse: toiletry consisting of an aerosol foam used in hair styling


hair mousse: toiletry consisting of an aerosol foam used in hair styling


hair gel: toiletry consisting of an aerosol foam used in hair styling


mousseline de sole: a gauze-like fabric of silk or rayon


mouth: the opening of a jar or bottle


mouth hole: a hole (as in a ski mask) for the mouth


mousepad: a small portable pad that provides traction for the ball of a computer mouse


mouse mat: a small portable pad that provides traction for the ball of a computer mouse


mouthpiece: the aperture of a wind instrument into which the player blows directly


embouchure: the aperture of a wind instrument into which the player blows directly


mouthpiece: the tube of a pipe or cigarette holder that a smoker holds in the mouth


mouthpiece: an acoustic device; the part of a telephone into which a person speaks


mouthpiece: (especially boxing) equipment that protects an athlete's mouth


gumshield: (especially boxing) equipment that protects an athlete's mouth


mouthpiece: a part that goes over or into the mouth of a person


movable barrier: a barrier that can be moved to allow passage


movement: the driving and regulating parts of a mechanism (as of a watch or clock)


movie projector: projects successive frames from a reel of film to create moving pictures


cine projector: projects successive frames from a reel of film to create moving pictures


film projector: projects successive frames from a reel of film to create moving pictures


moving-coil galvanometer: a galvanometer that is operated by the force exerted by an electric current flowing in a movable coil suspended in a magnetic field


moving van: a van used for moving home or office furniture


mud brick: a brick made from baked mud


mudguard: a curved piece above the wheel of a bicycle or motorcycle to protect the rider from water or mud thrown up by the wheels


splash guard: a curved piece above the wheel of a bicycle or motorcycle to protect the rider from water or mud thrown up by the wheels


splash-guard: a curved piece above the wheel of a bicycle or motorcycle to protect the rider from water or mud thrown up by the wheels


mudhif: a reed hut in the marshlands of Iraq; rare since the marshes were drained


muff: a warm tubular covering for the hands


muffle: a kiln with an inner chamber for firing things at a low temperature


muffler: a scarf worn around the neck


mufti: civilian dress worn by a person who is entitled to wear a military uniform


mug: with handle and usually cylindrical


mug shot: a photograph of someone's face (especially one made for police records)


mugshot: a photograph of someone's face (especially one made for police records)


mukataa: an Arabic word for headquarters or administrative center


mulch: a protective covering of rotting vegetable matter spread to reduce evaporation and soil erosion


mule: a slipper that has no fitting around the heel


scuff: a slipper that has no fitting around the heel


muller: a vessel in which wine is mulled


mullion: a nonstructural vertical strip between the casements or panes of a window (or the panels of a screen)


multichannel recorder: a recorder with two or more channels; makes continuous records of two or more signals simultaneously


multiengine airplane: a plane with two or more engines


multiengine plane: a plane with two or more engines


multifocal lens implant: a type of lens implant that contains several rings with a common center and adjusts for near or far vision; the eye is in focus for near and far vision simultaneously


multifocal IOL: a type of lens implant that contains several rings with a common center and adjusts for near or far vision; the eye is in focus for near and far vision simultaneously


multiplex: a movie theater than has several different auditoriums in the same building


multiplexer: a device that can interleave two or more activities


multiprocessor: a computer that uses two or more processing units under integrated control


multistage rocket: a rocket having two or more rocket engines (each with its own fuel) that are fired in succession and jettisoned when the fuel is exhausted


step rocket: a rocket having two or more rocket engines (each with its own fuel) that are fired in succession and jettisoned when the fuel is exhausted


munition: military supplies


ordnance: military supplies


ordnance store: military supplies


mural: a painting that is applied to a wall surface


wall painting: a painting that is applied to a wall surface


Murphy bed: a bed that can be folded or swung into a cabinet when not being used


muscle relaxant: a drug that reduces muscle contractility by blocking the transmission of nerve impulses or by decreasing the excitability of the motor end plate or by other actions


musette: a small bagpipe formerly popular in France


shepherd's pipe: a small bagpipe formerly popular in France


musette pipe: a small simple oboe


museum: a depository for collecting and displaying objects having scientific or historical or artistic value


mushroom anchor: an anchor used for semipermanent moorings; has a bowl-shaped head that will dig in however it falls


musical instrument: any of various devices or contrivances that can be used to produce musical tones or sounds


instrument: any of various devices or contrivances that can be used to produce musical tones or sounds


music box: produces music by means of pins on a revolving cylinder that strike the tuned teeth of a comb-like metal plate


musical box: produces music by means of pins on a revolving cylinder that strike the tuned teeth of a comb-like metal plate


music hall: a theater in which vaudeville is staged


vaudeville theater: a theater in which vaudeville is staged


vaudeville theatre: a theater in which vaudeville is staged


music school: a school specializing in music


music stand: a light stand for holding sheets of printed music


music rack: a light stand for holding sheets of printed music


music stool: a stool for piano players; usually adjustable in height


piano stool: a stool for piano players; usually adjustable in height


musket: a muzzle-loading shoulder gun with a long barrel; formerly used by infantrymen


musket ball: a solid projectile that is shot by a musket


ball: a solid projectile that is shot by a musket


muslin: plain-woven cotton fabric


musnud: a seat with a cushion that is used as a throne by Indian princes


mustache cup: a drinking cup with a bar inside the rim to keep a man's mustache out of the drink


moustache cup: a drinking cup with a bar inside the rim to keep a man's mustache out of the drink


mustard plaster: a plaster containing powdered black mustard; applied to the skin as a counterirritant or rubefacient


sinapism: a plaster containing powdered black mustard; applied to the skin as a counterirritant or rubefacient


mute: a device used to soften the tone of a musical instrument


muzzle loader: an obsolete firearm that was loaded through the muzzle


muzzle: a leather or wire restraint that fits over an animal's snout (especially a dog's nose and jaws) and prevents it from eating or biting


mycomycin: a highly unsaturated antibiotic acid obtained from an actinomycete


mydriatic: a drug that causes the pupil of the eye to dilate; used to aid eye examinations


mydriatic drug: a drug that causes the pupil of the eye to dilate; used to aid eye examinations


myelogram: X-ray film of the spinal cord and spinal nerve roots and subarachnoid space


mystification: something designed to mystify or bewilder


nabumetone: a nonsteroidal anti-inflammatory drug (trade name Relafen)


Relafen: a nonsteroidal anti-inflammatory drug (trade name Relafen)


nacelle: a streamlined enclosure for an aircraft engine


nadolol: a beta-adrenergic blocking agent (trade name Corgard) that is used to treat hypertension and angina


Corgard: a beta-adrenergic blocking agent (trade name Corgard) that is used to treat hypertension and angina


nafcillin: a penicillinase-resistant form of penicillin (trade name Nafcil) used (usually in the form of its sodium salt) to treat infections caused by penicillin-resistant strains of staphylococci


Nafcil: a penicillinase-resistant form of penicillin (trade name Nafcil) used (usually in the form of its sodium salt) to treat infections caused by penicillin-resistant strains of staphylococci


nail: a thin pointed piece of metal that is hammered into materials as a fastener


nailbrush: a brush used to clean a person's fingernails


nailfile: a small flat file for shaping the nails


nailhead: flattened boss on the end of nail opposite to the point


nailhead: something resembling the head of a nail that is used as an ornamental device


nail hole: a hole left after a nail is removed


nail polish: a cosmetic lacquer that dries quickly and that is applied to the nails to color them or make them shiny


nail enamel: a cosmetic lacquer that dries quickly and that is applied to the nails to color them or make them shiny


nail varnish: a cosmetic lacquer that dries quickly and that is applied to the nails to color them or make them shiny


nainsook: a soft lightweight muslin used especially for babies


nalidixic acid: antibacterial agent used especially to treat genitourinary infections


NegGram: antibacterial agent used especially to treat genitourinary infections


nalorphine: a narcotic antagonist (trade name Nalline) that counteracts the effects of narcotics (especially the effects of poisoning by morphine)


Nalline: a narcotic antagonist (trade name Nalline) that counteracts the effects of narcotics (especially the effects of poisoning by morphine)


naloxone: a potent narcotic antagonist (trade name Narcan) especially effective with morphine


Narcan: a potent narcotic antagonist (trade name Narcan) especially effective with morphine


naltrexone: an oral antagonist against the action of opiates


nameplate: a plate bearing a name


NAND circuit: a logic gate that produces an output that is the inverse of the output of an AND gate


NAND gate: a logic gate that produces an output that is the inverse of the output of an AND gate


nankeen: a durable fabric formerly loomed by hand in China from natural cotton having a yellowish color


naphazoline: vasoconstrictor (trade names Privine and Sudafed) used in nasal sprays to treat symptoms of nasal congestion and in eyedrops to treat eye irritation


Privine: vasoconstrictor (trade names Privine and Sudafed) used in nasal sprays to treat symptoms of nasal congestion and in eyedrops to treat eye irritation


Sudafed: vasoconstrictor (trade names Privine and Sudafed) used in nasal sprays to treat symptoms of nasal congestion and in eyedrops to treat eye irritation


Napier's bones: a set of graduated rods formerly used to do multiplication and division by a method invented by John Napier


Napier's rods: a set of graduated rods formerly used to do multiplication and division by a method invented by John Napier


napkin: a small piece of table linen that is used to wipe the mouth and to cover the lap in order to protect clothing


table napkin: a small piece of table linen that is used to wipe the mouth and to cover the lap in order to protect clothing


serviette: a small piece of table linen that is used to wipe the mouth and to cover the lap in order to protect clothing


napkin ring: a circular band used to hold a particular person's napkin


naproxen: a nonsteroidal anti-inflammatory drug (trade name Naprosyn) used in the treatment of arthritis and musculoskeletal inflammation and moderate pain


Naprosyn: a nonsteroidal anti-inflammatory drug (trade name Naprosyn) used in the treatment of arthritis and musculoskeletal inflammation and moderate pain


naproxen sodium: a nonsteroidal anti-inflammatory drug (trademarks Aleve and Anaprox and Aflaxen) that fights pain and inflammation


Aleve: a nonsteroidal anti-inflammatory drug (trademarks Aleve and Anaprox and Aflaxen) that fights pain and inflammation


Anaprox: a nonsteroidal anti-inflammatory drug (trademarks Aleve and Anaprox and Aflaxen) that fights pain and inflammation


Aflaxen: a nonsteroidal anti-inflammatory drug (trademarks Aleve and Anaprox and Aflaxen) that fights pain and inflammation


narcoleptic: a soporific drug that produces an uncontrollable desire to sleep


narcotic: a drug that produces numbness or stupor; often taken for pleasure or to reduce pain; extensive use can lead to addiction


narcotic antagonist: an antagonist used to counteract the effects of narcotics (especially to counteract the depression of respiration)


nard: an aromatic ointment used in antiquity


spikenard: an aromatic ointment used in antiquity


narrowbody aircraft: a commercial airliner with a single aisle


narrow-body aircraft: a commercial airliner with a single aisle


narrow-body: a commercial airliner with a single aisle


narrow gauge: a railroad track (or its width) narrower than the standard 56.5 inches


narrow wale: corduroy with narrow ribs


narthex: a vestibule leading to the nave of a church


narthex: portico at the west end of an early Christian basilica or church


nasal decongestant: a decongestant that provides temporary relief of nasal symptoms of the common cold and rhinitis and upper respiratory infections


National Association of Securities Dealers Automated Quotations: a computerized data system to provide brokers with price quotations for securities traded over the counter


NASDAQ: a computerized data system to provide brokers with price quotations for securities traded over the counter


nasotracheal tube: a tube inserted into the trachea through the nose and pharynx; used to deliver oxygen


National Baseball Hall of Fame: a Hall of Fame and museum in Cooperstown, New York, honoring great baseball players


National Library of Medicine: the world's largest medical library


United States National Library of Medicine: the world's largest medical library


U.S. National Library of Medicine: the world's largest medical library


national monument: memorial consisting of a structure or natural landmark of historic interest; set aside by national government for preservation and public enjoyment


naumachy: a naval spectacle; a mock sea battle put on by the ancient Romans


naumachia: a naval spectacle; a mock sea battle put on by the ancient Romans


nautilus: a submarine that is propelled by nuclear power


nuclear submarine: a submarine that is propelled by nuclear power


nuclear-powered submarine: a submarine that is propelled by nuclear power


navigational system: a system that provides information useful in determining the position and course of a ship or aircraft


naval chart: a chart for a navigator showing the prevailing meteorological and hydrographic and navigational conditions


navigational chart: a chart for a navigator showing the prevailing meteorological and hydrographic and navigational conditions


pilot chart: a chart for a navigator showing the prevailing meteorological and hydrographic and navigational conditions


naval equipment: equipment for a navy


naval gun: naval weaponry consisting of a large gun carried on a warship


naval installation: military installation servicing naval forces


shore station: military installation servicing naval forces


naval missile: naval weaponry consisting of a missile carried on a warship


naval radar: naval equipment consisting of a shipboard radar


Naval Research Laboratory: the United States Navy's defense laboratory that conducts basic and applied research for the Navy in a variety of scientific and technical disciplines