de·fib·ril·la·tor (dē-fĭb'rə-lā'tər, -fī'brə-) n. An electrical device used to counteract fibrillation of the heart muscle and restore normal heartbeat by applying a brief electric shock.
Main Entry: de·fi·bril·la·tor Pronunciation: (')dE-'fib-r&-"lAt-&r, -'fIb- Function: noun : an electronic device used todefibrillate a heart by applying an electric shock to it
defibrillator de·fib·ril·la·tor (dē-fĭb'rə-lā'tər, -fī'brə-) n. An electrical device used to counteract fibrillation of the heart muscle and restore normal heartbeat by applying a brief electric shock.