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Meaning of defibrillate

de•fi•bril•late

Pronunciation: (dē-fī'bru-lāt", -fib'ru-), [key]
— -lat•ed, -lat•ing.
  1. 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.
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