fibrillation
/ˌfɪbɹɪˈleɪʃən/
Word Rarity
Rare
Frequency: 2.82 in modern English
17
Scrabble Score
12
Letters
4
Syllables
9
Unique Chars
Meaning
noun
The rapid, irregular, and unsynchronized contraction of the muscle fibers of the heart.
Countable; Uncountable
Example Sentences
- "Though occasionally a “flatliner” can be revived with a defib, it is most commonly used to change the uncoordinated contractions of the heart (fibrillation) into a normal sinus rhythm—that is, to defibrillate the heart."
- "The most common type of irregular heartbeat is atrial fibrillation or AFib. It is estimated that between three and six million people in the United States have AFib."
Etymology
Etymology tree English fibrilla Proto-Indo-European *-tis Proto-Indo-European *-Hō Proto-Indo-European *-tiHō Proto-Italic *-tiō Latin -tiō Latin -ātiōlbor. Old French -ationbor. Middle English -acioun English -ation English fibrillation From fibrilla + -ation.