/ Dictionary / Index A acid-forming: Meaning and Definition of Find definitions for: ac•id-form•ing Pronunciation: (as'id fôr"ming), [key] — adj. yielding acid in chemical reaction; acidic. (of food) containing a large amount of acid ash after complete oxidation. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: acid-forming (Thesaurus) acid-fast acid-head Related Content Daily Word Quiz: resilient Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language