nitrile nitril • nitrile base · · · Info · Definitions · Synonyms · Characters · · nitrile · · Text Latin · · Script 7 · · Length 3 · · Syllables Definitions · · · (noun) any of a class of organic compounds containing the cyano radical -CN. Synonyms: nitril, cyanide. · · Noun Definition 1 Synonyms · · · nitril · · Synonym 1 cyanide · · Synonym 2 Characters · · e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E r latin small letter r U+0072 t latin small letter t U+0074