• synonyms


[ dee-fahy-bruh-leyt, -fib-ruh- ]
/ diˈfaɪ brəˌleɪt, -ˈfɪb rə- /

verb (used with object), de·fi·bril·lat·ed, de·fi·bril·lat·ing. Medicine/Medical.

to arrest the fibrillation of (heart muscle) by applying electric shock across the chest, thus depolarizing the heart cells and allowing normal rhythm to return.

Nearby words

defiantly, defiber, defibered, defiberize, defibrate, defibrillate, defibrillation, defibrillator, defibrinate, defibrination, deficience

Origin of defibrillate

1930–35; de- + fibrillate, back formation from fibrillation
Related formsde·fi·bril·la·tion, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019