plural of quaternary ammonium compound

(zoology) A larva of a lamprey.

plural of ammocoete

(chemistry) An ammonium group in which each hydrogen has been replaced by an alkyl or aryl group

(paleontology) Any of an extinct group of cephalopods of the subclass Ammonoidea; a fossil shell of such an animal.

An explosive prepared from a mixture of TNT and ammonium nitrate; a form of amatol, popular in Eastern Europe and China.

(organic chemistry) A compound formed by the ethoxylation of ammonium lauryl sulfate, having properties similar to sodium laureth sulfate.

Pertaining to or containing ammonia.

(transitive) To treat with ammonia.

(inorganic chemistry) Any compound containing ammonia bound as a ligand.