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defibrillate

[dee-fahy-bruh-leyt, -fib-ruh-]
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verb (used with object), de·fi·bril·lat·ed, de·fi·bril·lat·ing. Medicine/Medical.
  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.

Origin of defibrillate

1930–35; de- + fibrillate, back formation from fibrillation
Related formsde·fi·bril·la·tion, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018