/ Dictionary / Index A acetic anhydride: Meaning and Definition of Find definitions for: ace'tic anhy'dride Pronunciation: [key] — Chem. Chem. a colorless, pungent liquid, CHO, the anhydride of acetic acid: used chiefly as a reagent and in the production of plastics, film, and fabrics derived from cellulose. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. acetic acid amide acetic ether Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language