beta blocker

== English == === Alternative forms === betablocker beta-blocker β-blocker === Etymology === From action of drug which blocks beta-adrenergic receptors. === Pronunciation === (US) enPR: bā'-tə blôk'-ər IPA(key): /ˈbeɪ.tə ˈblɔk.ɚ/ === Noun === beta blocker (plural beta blockers) (pharmacology) A blocking agent, one of a class of drugs used to treat hypertension and control the rate at which the heart beats. ==== Translations ====