BETA-BLOCKER Meaning of BETA-BLOCKER in English beta-blocker BrE AmE ˈbiːt ə ˌblɒk ə AmE \ ˈbeɪt̬ ə ˌblɑːk ə r▷ beta-blocker|s z Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012