Medical Definition of NITRIFICATION. : the oxidation (as by bacteria) of ammonium salts to nitrites and the further oxidation of nitrites to nitrates.See nitrification defined for kids.ADVERTISEMENT.edical Definition of NITRIFICATION. : the oxidation (as by bacteria) of ammonium salts to nitrites and the further oxidation of nitrites to nitrates.
1. cladding-a protective covering that protects the outside of a building. facing. protective cover, protective covering, protection-a covering that is intend to protect from damage or injury; they had no protection from the fallout; wax provided protection for the floors.
Define Wall Cladding | eHow âº eHow âº Home & Garden - Similar to Define Wall Cladding | eHow Wall cladding is a non-structural covering installed over structural surfaces. on exterior surfaces of buildings and structures, also use it to improve any interior surface. among other materials, each with their own advantages and drawbacks.