Dictionary
de•fi•bril•late
Pronunciation: (dē-fī'bru-lāt", -fib'ru-), [key]—
v.t., -lat•ed, -lat•ing.
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.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.