/ Dictionary / Index A acidulant: Meaning and Definition of Find definitions for: a•cid•u•lant Pronunciation: (u-sij'u-lunt), [key] — n. Chem. an acidulating substance. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. acid trip acidulate Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language