F f


    • US Pronunciation
    • US IPA
    • UK Pronunciation
    • UK IPA
    • [fahy-bruh-ley-shuh n, or especially for 2, fib-ruh-]
    • /ˌfaɪ brəˈleɪ ʃən, or especially for 2, ˌfɪb rə-/
    • /fɪb.rɪˈleɪ.ʃən/
    • US Pronunciation
    • US IPA
    • [fahy-bruh-ley-shuh n, or especially for 2, fib-ruh-]
    • /ˌfaɪ brəˈleɪ ʃən, or especially for 2, ˌfɪb rə-/

Definitions of fibrillation word

  • noun fibrillation the formation of fibrils. 1
  • noun fibrillation Pathology. uncontrolled twitching or quivering of muscular fibrils. 1
  • noun fibrillation The rapid, irregular, and unsynchronized contraction of the muscle fibers of the heart. 1
  • noun fibrillation twitching of the heart muscle 1
  • noun fibrillation 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 0
  • noun fibrillation irregular twitchings of the muscular wall of the heart, often interfering with the normal rhythmic contractions 0

Information block about the term

Origin of fibrillation

First appearance:

before 1830
One of the 36% newest English words
First recorded in 1830-40; fibrillate + -ion

Historical Comparancy

Parts of speech for Fibrillation


fibrillation popularity

A pretty common term. Usually people know it’s meaning, but prefer to use a more spread out synonym. About 69% of English native speakers know the meaning and use word.
Most Europeans know this English word. The frequency of it’s usage is somewhere between "mom" and "screwdriver".

fibrillation usage trend in Literature

This diagram is provided by Google Ngram Viewer

Top questions with fibrillation

  • what is atrial fibrillation?
  • what cause atrial fibrillation?
  • what causes arterial fibrillation?
  • what causes atrial fibrillation?
  • what is ventricular fibrillation?
  • what is fibrillation?
  • what does fibrillation mean?
  • what is paroxysmal atrial fibrillation?
  • what is a fibrillation?
  • what does atrial fibrillation feel like?
  • how to treat atrial fibrillation?
  • what is fibrillation of the heart?
  • what causes ventricular fibrillation?
  • how to fix atrial fibrillation?
  • what is atrial fibrillation with rapid ventricular response?

See also

Matching words

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