from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An electrical device used to counteract fibrillation of the heart muscle and restore normal heartbeat by applying a brief electric shock.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An electronic device used internally or externally that delivers a controlled electric shock to a patient to correct ventricular fibrillation, a lack of coordination of the contraction of muscle tissue of the large chambers of the heart.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. an electronic device that administers an electric shock of preset voltage to the heart through the chest wall in an attempt to restore the normal rhythm of the heart during ventricular fibrillation
Sorry, no etymologies found.