tamsulosin

== English == === Etymology === From tam- (of unknown origin) +‎ sul(fonamide) +‎ -osin (“α1-adrenoceptor antagonist”). === Pronunciation === (General American) IPA(key): /tæmˈsuː.ləs.ɪn/ === Noun === tamsulosin (usually uncountable, plural tamsulosins) (pharmacology) An alpha-adrenergic blocking agent administered orally in the form of its hydrochloride C20H28N2O5S·HCl to treat benign prostatic hyperplasia. === References === “tamsulosin”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.