FIBRILLATION


Meaning of FIBRILLATION in English

ˌfibrəˈlāshən, ˌfīb- noun

( -s )

1. : the act or process of forming fibrils or the state of being fibrillate

2.

a. : muscular twitching involving individual muscle fibers acting without coordination — compare fasciculation

b. : very rapid irregular contractions of the muscle fibers of the heart resulting in a lack of synchronism between heartbeat and pulse beat — see auricular fibrillation , ventricular fibrillation

3. : the breaking down of fibers such as occurs in beating paper pulp

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.