fibrillation
noun/ˌfɪbrɪˈleɪʃən/
Frequency rank: #15,419 most common English word
Meaning
A rapid, irregular, and unsynchronized contraction of muscle fibers, especially in the heart.
Example sentence
The doctor told the patient that his heart was in fibrillation and needed immediate treatment.
Synonyms & related words
- arrhythmia
- trembling
- flutter
- quivering
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