/ Dictionary / Index P pentamidine: Meaning and Definition of Find definitions for: pen•tam•i•dine Pronunciation: (pen-tam'i-dēn", -din), [key] — n. Pharm. an antiprotozoal substance, CHNO, used in the treatment of leishmaniasis, trypanosomiasis, and pneumonia due to Pneumocystis carinii. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pentamethylenediamine pentane Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language