/ Dictionary / Index V vinylidene chloride: Meaning and Definition of Find definitions for: vi•nyl'i•dene chlo'ride Pronunciation: (vī-nil'i-dēn"), [key] — Chem. Chem. a colorless, volatile, flammable liquid, CHCl, that is copolymerized chiefly with vinyl chloride to form saran. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. vinyl group vinylidene group Related Content Daily Word Quiz: nonchalant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language