/ Dictionary / Index A acrylonitrile: Meaning and Definition of Find definitions for: ac•ry•lo•ni•trile Pronunciation: (ak"ru-lō-nī'tril, -trēl, -trīl), [key] — n. Chem. a colorless, flammable, poisonous, carcinogenic liquid, CHN, used for the production of polymers and copolymers, as rubbers, fibers, and clear plastics for beverage containers. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: acrylonitrile (Thesaurus) acrylic resin acrylyl Related Content Daily Word Quiz: lunar Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language