/ Dictionary / Index V vinyl alcohol: Meaning and Definition of Find definitions for: vi'nyl al'cohol Pronunciation: [key] — Chem. Chem. an unstable liquid compound, CHO, found only in the form of its esters or as the polymer polyvinyl alcohol. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. vinylacetylene vinylate Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language