Phrases starting with the letter: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Previous word: fibrillate
Next word: fibrilliferous
Definition of: fibrillation
(fi′brə·lā′shən, fī′brə-) noun
1. The formation of fibers.
2. Physiol. A localized twitching of certain muscle fibers.
3. Pathol. Rapid, irregular, uncoordinated contractions of the muscle fibers of the heart.
Comment about this word, ask questions, or add new information about this topic: