noun
defibrillator
dee-FIHB-rih-lay-tuh
noun
1
A device that delivers an electric shock to the heart to restore a normal rhythm.
"The paramedics used a defibrillator to restart his heart."
"Many public buildings now keep a defibrillator on hand for emergencies."
How to Use Defibrillator
Learner’s notesIn plain EnglishThe machine used to shock a stopped or irregular heart back into rhythm.
Common pairings
automated external defibrillator
use a defibrillator
Word Forms
defibrillators plural
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The paramedics used a _____ to restart his heart.
Etymology
From "defibrillate" (to stop fibrillation, an irregular heartbeat) plus the agent suffix -or.