Fibrillation Definition
fĭbrə-lāshən, fībrə-
noun
The forming of fibers.
American Heritage Medicine
Fine, rapid twitching of individual muscle fibers with little or no movement of the muscle as a whole.
American Heritage Medicine
A rapid, uncoordinated series of contractions of a muscle; esp., such contractions of some portion of the heart muscle, causing irregular heartbeats and sometimes ineffectual pumping of blood.
Webster's New World
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Origin of Fibrillation
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From New Latin fibrilla, diminutive of Latin fibra, "fiber," in reference to the muscle strands of the heart.
From Wiktionary
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