defibrillator

[ dee-fahy-bruh-ley-ter, -fib-ruh- ]
/ diˈfaɪ brəˌleɪ tər, -ˈfɪb rə- /

noun Medicine/Medical.

an agent or device for arresting fibrillation of the atrial or ventricular muscles of the heart.

Origin of defibrillator

First recorded in 1955–60; de- + fibrill(ation) + -ator

British Dictionary definitions for defibrillator

defibrillator
/ (dɪˈfaɪbrɪˌleɪtə, -ˈfɪb-) /

noun

med an apparatus for stopping fibrillation of the heart by application of an electric current to the chest wall or directly to the heart

Medical definitions for defibrillator

defibrillator
[ dē-fĭbrə-lā′tər, -fībrə- ]

n.

An electrical device used to counteract fibrillation of the heart muscle and restore normal heartbeat by applying a brief electric shock.