/ Dictionary / Index D dipyridamole: Meaning and Definition of Find definitions for: di•pyr•id•a•mole Pronunciation: (dī-pir'i-du-mōl", -pu-rid'u-), [key] — n. Pharm. a yellow crystalline powder, CHNO, used prophylactically for angina pectoris and in combination with other drugs to reduce thrombus formation. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. dipyramid diquat Related Content Daily Word Quiz: agitated Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language