doxazosin

== English == === Etymology === Probably from (benzo)d(i)ox(ane) +‎ -azosin. === Pronunciation === (General American) IPA(key): /dɑkˈseɪ.zəs.ɪn/ === Noun === doxazosin (uncountable) (pharmacology) A drug taken orally in the form of its mesylate C23H25N5O5·CH4O3S to relieve urethral obstruction in benign prostatic hyperplasia and to treat hypertension. It is a derivative of quinazoline that acts to relax smooth muscle by combining with and blocking the activity of an alpha-receptor. === References === “doxazosin”, in Merriam-Webster.com Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.