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Noun: defibrillator  dee'fIbru`leytu(r)
  1. 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

Derived forms: defibrillators

See also: defibrillate

Type of: electronic device

Encyclopedia: Defibrillator