noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The stopping of the fibrillation of the heart in order to restore normal contractions, especially by the use of an electric shock. countable, uncountable
2. 2
   treatment by stopping fibrillation of heart muscles (usually by electric shock delivered by a defibrillator) wordnet

Etymology

From de- + fibrillation.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.