ACCUMULATOR Meaning of ACCUMULATOR in English accumulator BrE AmE ə ˈkjuːm jə leɪt ə -ˈ•ju-, !!-ˈ•ə- AmE \ -leɪt̬ ə r▷ accumulator|s z Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012