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defibrillation

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de⋅fi⋅bril⋅late

  [dee-fahy-bruh-leyt, -fib-ruh-]
Use defibrillation in a Sentence
–verb (used with object), -lat⋅ed, -lat⋅ing. Medicine/Medical.
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:
1930–35; de- + fibrillate, back formation from fibrillation

Related forms:
de⋅fi⋅bril⋅la⋅tion, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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de·fib·ril·late   (dē-fĭb'rə-lāt', -fī'brə-)   
tr.v.   de·fib·ril·lat·ed, de·fib·ril·lat·ing, de·fib·ril·lates
To stop the fibrillation of (a heart) and restore normal contractions through the use of drugs or an electric shock.
de·fib'ril·la'tion n., de·fib'ril·la'tive adj., de·fib'ril·la·to'ry (-lə-tôr'ē, -tōr'ē) adj.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Word Origin & History

defibrillation 
1940, in reference to heartbeat, from fibrillating "beating in an abnormal way," from Mod.L. fibrilla, dim. of fibra "fiber," in reference to the muscle strands of the heart that contract irregularly in this condition.
Online Etymology Dictionary, © 2001 Douglas Harper
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Medical Dictionary

Main Entry: de·fi·bril·la·tion
Pronunciation: (")dE-"fib-r&-'lA-sh&n, -"fIb-
Function: noun
: restoration (as by anelectric shock) of the rhythm of a fibrillating heart —de·fi·bril·late /(')dE-'fib-r&-"lAt, -'fIb-/ transitive verb -lat·ed;-lat·ing
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

defibrillation de·fib·ril·la·tion (dē-fĭb'rə-lā'shən, -fī'brə-)
n.
The stopping of fibrillation of the heart muscle and the restoration of normal contractions using of drugs or electric shock.

de·fib'ril·late' v.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Science Dictionary
defibrillation   (dē-fĭb'rə-lā'shən)  Pronunciation Key 
Termination of fibrillation of the heart muscle and restoration of normal heart rhythm, especially by one or more electric shocks administered by paddles applied to the chest.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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