noun Date: 1968 any of a class of drugs (as propranolol) that decrease the rate and force of heart contractions and lower high blood pressure by blocking the activity of beta-receptors, beta-blocking adjective
BETA-BLOCKER
Meaning of BETA-BLOCKER in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012