/ Dictionary / Index U uronic acid: Meaning and Definition of Find definitions for: u•ron'ic ac'id Pronunciation: (yoo-ron'ik), [key] — Biochem. Biochem. any of a group of organic acids, as glucuronic acid, derived from oxidation of aldose sugars and occurring in urine. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. uromere uropod Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language