tadalafil

== English == === Etymology === From [Term?] +‎ -afil (“inhibitor of phosphodiesterase PDE5 with vasodilator action”). (This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.) === Pronunciation === IPA(key): /təˈdæl.ə.fɪl/ === Noun === tadalafil (uncountable) (pharmacology) A drug, C22H19N3O4, that is used to treat erectile dysfunction and benign prostatic hyperplasia and functions similarly to sildenafil. It is marketed under the trademark Cialis. ==== Translations ==== === References === “tadalafil”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present. == French == === Noun === tadalafil m (uncountable) tadalafil == Italian == === Noun === tadalafil m tadalafil