beta blocker
or be·ta-block·er
noun Pharmacology.
any of various substances that interfere with the action of the beta receptors: used primarily to reduce the heart rate or force in the prevention, management, or treatment of angina, hypertension, or arrythmias.
Compare
alpha blocker.
Origin of beta blocker
First recorded in 1975–80
OTHER WORDS FROM beta blocker
be·ta-block·ing, adjectiveWords nearby beta blocker
bet,
bet on the wrong horse,
bet one's ass,
bet.,
beta,
beta blocker,
beta brass,
beta carotene,
beta cell,
beta coefficient,
beta crucis