释义 |
ni·trile \ˈnī.trə̇l; -.ˌtrēl, -īl\ noun (-s) Etymology: International Scientific Vocabulary nitr- + -ile : any of a class of compounds characterized by the presence of the trivalent nitrogen radical N≡ and derivable from oxygen-containing acids by complete removal of the elements of water from their ammonium salts; usually : a compound (as acetonitrile, benzonitrile) that is characterized by the presence of the cyanogen group, is derivable from a carboxylic acid or its amide, and yields the acid on complete hydrolysis : an organic cyanide |