Noun. 1. refrigerant-any substance used to provide cooling (as in a refrigerator). substance-a particular kind or species of matter with uniform properties; shigella is one of the most toxic substances known to man.cryogen-a liquid that boils at below -160 C and is used as a refrigerant.. A substance, such as air, ammonia, water, or carbon dioxide, used to provide cooling either as the working substance of a refrigerator or by direct absorption of heat. 2. Medicine An agent used to reduce fever.
usually offensive: a person affected with extreme mental retardation. 2. : a foolish or stupid person. â idiot adjective. See idiot defined for English-language learners.
A morpheme is a meaningful linguistic unit consisting of a word (such as dog) or a word element (such as the-s at the end of dogs) that can't be divided into smaller meaningful parts.Adjective: morphemic. Morphemes are the smallest units of meaning in a language.They are commonly classified as either free morphemes (which can occur as separate words) or bound morphemes (which can't stand alone as words). Many words in English are made up of a single free morpheme. morpheme is a meaningful linguistic unit consisting of a word (such as dog) or a word element (such as the-s at the end of dogs) that can't be divided into smaller meaningful parts.