ipratropium

== English == === Etymology === From i(so)pr(opyl) +‎ atrop(ine) +‎ -ium (“quaternary ammonium compound”). === Pronunciation === (General American) IPA(key): /ˌɪp.ɹəˈtɹoʊ.pi.əm/ === Noun === ipratropium (uncountable) An anticholinergic drug C20H30NO3+ that is used as an inhalational aerosol for bronchodilation especially in the treatment of chronic obstructive pulmonary disease and as a nasal spray in the treatment of runny nose associated with rhinitis. ==== Derived terms ==== ipratropium bromide ==== Translations ==== === References === “ipratropium”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.