/ Dictionary / Index P polyvinyl acetate: Meaning and Definition of Find definitions for: pol'yvi'nyl ac'etate Pronunciation: [key] — Chem. Chem. a colorless, odorless, nontoxic, transparent, thermoplastic, water-insoluble resin used as an adhesive in certain paints and as an intermediate in the synthesis of polyvinyl acetal and polyvinyl alcohol. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. polyvinyl acetal polyvinyl alcohol Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language