/ Dictionary / Index O oxaloacetic acid: Meaning and Definition of Find definitions for: ox'a•lo•a•ce'tic ac'id Pronunciation: (ok'su-lō-u-sē'tik, ok"-, ok-sal'ō-, -sal"-), [key] — Biochem. Biochem. a crystalline organic acid, CHO, that is an important intermediate in the Krebs cycle, where it is formed by the oxidation of malic acid and is acetylated to form citric acid: also a product of transamination reactions of aspartic acid. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. oxalis oxalosuccinic acid Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language