/ Dictionary / Index V vinylacetylene: Meaning and Definition of Find definitions for: vi•nyl•a•cet•y•lene Pronunciation: (vīn"l-u-set'l-ēn", -in), [key] — n. Chem. a colorless, volatile liquid, CH, used chiefly as an intermediate in the manufacture of the synthetic rubber neoprene. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. vinyl acetate vinyl alcohol Related Content Daily Word Quiz: divulge Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language