/ Dictionary / Index D disopyramide: Meaning and Definition of Find definitions for: di•so•pyr•a•mide Pronunciation: (dī"sō-pir'u-mīd"), [key] — n. Pharm. a substance, CHNO, used in its phosphate form in the symptomatic and prophylactic treatment of certain cardiac arrhythmias. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. disodium phosphate disorder Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language