de ‧ fib ‧ ril ‧ la ‧ tor /diːˈfɪbrəleɪtə, diːˈfɪbrɪleɪtə $ -ər/ BrE AmE noun [countable]
a machine that gives the heart an electric shock to make it start beating again after a heart attack
de ‧ fib ‧ ril ‧ la ‧ tor /diːˈfɪbrəleɪtə, diːˈfɪbrɪleɪtə $ -ər/ BrE AmE noun [countable]
a machine that gives the heart an electric shock to make it start beating again after a heart attack
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012