— defibrillation , n.
/dee fuy"breuh layt', -fib"reuh-/ , v.t., defibrillated, defibrillating . Med.
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.
[ 1930-35; DE- + fibrillate, back formation from FIBRILLATION ]