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fibrillation
[ fahy-bruh-ley-shuhn, or, especially for 2, fib-ruh- ]
/ ˌfaɪ brəˈleɪ ʃən, or, especially for 2, ˌfɪb rə- /
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noun
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Origin of fibrillation
First recorded in 1830–40; fibrillate + -ion
Words nearby fibrillation
fibrescope, fibriform, fibril, fibrilla, fibrillate, fibrillation, fibrilliform, fibrin, fibrino-, fibrinogen, fibrinogenic
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use fibrillation in a sentence
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
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.