salmeterol

== English == === Etymology === Probably from sal(butamol)[Term?] +‎ -terol (“phenethylamine derivative”). (This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.) === Pronunciation === (General American) IPA(key): /sælˈmɛt.əˌɹɔl/ === Noun === salmeterol (uncountable) (pharmacology) A bronchodilator administered by oral inhalation in the form of a salt C25H37NO4·C11H8O3 to treat bronchospasm associated especially with asthma and chronic obstructive pulmonary disease. It acts as an agonist, binding to beta-receptors that mediate the relaxation of bronchial muscles. ==== Derived terms ==== salmeterol xinafoate === References === “salmeterol”, in Merriam-Webster.com Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.