/ Dictionary / Index I ipratropium bromide: Meaning and Definition of Find definitions for: ip•ra•tro'pi•um bro'mide Pronunciation: (ip"ru-trō'pē-um), [key] — Pharm. Pharm. an anticholinergic bronchodilator, CHBrNO, used in the treatment of chronic bronchitis and in airway obstruction diseases. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ipr iproniazid Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language