propenonitrile propenoic acid • propense · · · Info · Definitions · Synonyms · Characters · · propenonitrile · · Text Latin · · Script 14 · · Length 6 · · Syllables Definitions · · · (noun) a colorless liquid unsaturated nitrile made from propene. Synonyms: acrylonitrile, vinyl cyanide. · · Noun Definition 1 Synonyms · · · acrylonitrile · · Synonym 1 vinyl 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 o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 t latin small letter t U+0074