defibrillator
noun
de·fi·bril·la·tor
(ˌ)dē-ˈfi-brə-ˌlā-tər 
: an electronic device that applies an electric shock to restore the rhythm of a fibrillating heart
Examples of defibrillator in a Sentence
Recent Examples on the Web
For weeks leading up to the execution, Black’s attorneys fought to have his implantable cardioverter defibrillator — a medical device meant to shock the heart when its rhythm becomes irregular — deactivated, per The Washington Post.
—
Christina Coulter, People.com, 5 Aug. 2025
Staff tried using a defibrillator on the patient, but the machine malfunctioned, and a second defibrillator monitor had to be brought in; however, the patient ultimately died, the report said.
—Scott Schwebke, Oc Register, 12 July 2025
Denver, though, got both a defibrillator and a sigh of relief from 36-year-old Russell Westbrook in the first half of Game 5, an unlikely hero after being scratched for Game 4 with a foot injury.
—Luca Evans, Denver Post, 29 Apr. 2025
The institutions would be mandated to work in coordination with local emergency responders and make available the use of automatic external defibrillators and cold-water immersion equipment.
—Edward Lee, Baltimore Sun, 29 July 2025
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Christina Coulter, People.com, 5 Aug. 2025
Staff tried using a defibrillator on the patient, but the machine malfunctioned, and a second defibrillator monitor had to be brought in; however, the patient ultimately died, the report said.
—Scott Schwebke, Oc Register, 12 July 2025
Denver, though, got both a defibrillator and a sigh of relief from 36-year-old Russell Westbrook in the first half of Game 5, an unlikely hero after being scratched for Game 4 with a foot injury.
—Luca Evans, Denver Post, 29 Apr. 2025
The institutions would be mandated to work in coordination with local emergency responders and make available the use of automatic external defibrillators and cold-water immersion equipment.
—Edward Lee, Baltimore Sun, 29 July 2025
See All Example Sentences for defibrillator
Cite this Entry
“Defibrillator.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/defibrillator. Accessed 19 Aug. 2025.
Copy CitationMedical Definition
defibrillator
noun
de·fi·bril·la·tor
(ˈ)dē-ˈfib-rə-ˌlāt-ər
-ˈfīb-
-ˈfīb-
: an electronic device used to defibrillate a heart by applying an electric shock to it
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