beta blocker From WikiWord Entry Discussion Read Edit View history Contents EnglishPronunciationNounRelated termsReferences English Pronunciation IPA /ˈbeɪ.tə ˈblɔk.ɚ/ Nounbeta blocker nounA blocking agent, one of a class of drugs used to treat hypertension and control the rate at which the heart beats. Related termsSynonymsbeta-adrenergic blocking agentbeta-blockerbetablockerβ-blockerbeta blockadebetablockadeatenolollabetalolblockercalcium channel blockerpropranololantihypertensivealpha-blockertribendilolacebutololmetoprolol References Wiktionary — beta blocker Wikipedia — beta blocker