vinyl viny • vinylbenzene · · · Info · Definitions · Synonyms · Characters · · vinyl · · Text Latin · · Script 5 · · Length 2 · · Syllables Definitions · · · (noun) a univalent chemical radical derived from ethylene. Synonyms: vinyl group, vinyl radical. · · Noun Definition 1 (noun) shiny and tough and flexible plastic; used especially for floor coverings. · · Noun Definition 2 Synonyms · · · vinyl group · · Synonym 1 vinyl radical · · Synonym 2 Characters · · i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E v latin small letter v U+0076 y latin small letter y U+0079