fibrillation
[ fahy-bruh-ley-shuh n, or especially for 2, fib-ruh- ]
/ ˌfaɪ brəˈleɪ ʃən, or especially for 2, ˌfɪb rə- /
noun
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Origin of fibrillation
First recorded in 1830–40; fibrillate + -ion
Words nearby fibrillation
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Example sentences from the Web for fibrillation
This fibrillation of mucus is regarded as the result of a coagulation of its mucin, previously held in solution by an alkali.
Even in periods of repose there is a certain amount of fibrillation on that side.
Tics and Their Treatment|Henry MeigneThe common type of lesion is a dry arthritis with fibrillation and eburnation of the articular surfaces.
The myokymia of Kny and Schultze is characterised by fibrillation, pain, hyperidrosis, and changes in electrical excitability.
Tics and Their Treatment|Henry Meigne
British Dictionary definitions for fibrillation
fibrillation
/ (ˌfaɪbrɪˈleɪʃən, ˌfɪb-) /
noun
a local and uncontrollable twitching of muscle fibres, esp of the heart, not affecting the entire muscle. Atrial fibrillation results in rapid and irregular heart and pulse rate. In ventricular fibrillation, the heart stops beating
irregular twitchings of the muscular wall of the heart, often interfering with the normal rhythmic contractions
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Medical definitions for fibrillation
fibrillation
[ fĭb′rə-lā′shən, fī′brə- ]
n.
Fine, rapid twitching of individual muscle fibers with little or no movement of the muscle as a whole.
The formation of fibrils.
Vermicular twitching, usually slow, of individual muscular fibers, commonly occurring in the atria or ventricles of the heart and in recently denervated skeletal muscle fibers.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for fibrillation
fibrillation
[ fĭb′rə-lā′shən ]
A rapid twitching of muscle fibers, as of the heart, that is caused by the abnormal discharge of electrical nerve impulses. Ventricular fibrillation is life-threatening.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.