/ Dictionary / Index P pyruvate: Meaning and Definition of Find definitions for: pyr•u•vate Pronunciation: (pī-r'vāt, pi-), [key] — n. Chem. an ester or salt of pyruvic acid. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pyrrophyte pyruvic Related Content Daily Word Quiz: portent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language