/ Dictionary / Index D diphosphoglycerate: Meaning and Definition of Find definitions for: di•phos•pho•glyc•er•ate Pronunciation: (dī-fos"fō-glis'u-rāt"), [key] — n. Biochem. an ester of phosphoric acid and glyceric acid that occurs in the blood and that promotes the release of hemoglobin-bound oxygen. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. diphosphate diphtheria Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language