defibrillator

noun

de·​fi·​bril·​la·​tor (ˌ)dē-ˈfi-brə-ˌlā-tər How to pronounce defibrillator (audio)
: an electronic device that applies an electric shock to restore the rhythm of a fibrillating heart
defibrillate transitive verb
defibrillation noun

Examples of defibrillator in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The man had a notable history of having gone through multiple defibrillators and revisions, including getting a new generator in 2018. Ars Technica, 19 Mar. 2025 While the defibrillator’s pads were put on the pilot in the cockpit, the equipment ended up not being used, according to the outlet. Gabrielle Rockson, People.com, 10 Mar. 2025 Confusing: how Caine can MacGyver a defibrillator in a way that harms a villain but not himself. Gregory Nussen, Deadline, 8 Mar. 2025 Police officers administered both CPR and a defibrillator and detected a pulse — then a fire-rescue lieutenant gave her Narcan, a medicine that can save someone from a fentanyl or opioid overdose. Jay Weaver, Miami Herald, 28 Feb. 2025 See All Example Sentences for defibrillator

Word History

First Known Use

1952, in the meaning defined above

Time Traveler
The first known use of defibrillator was in 1952

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Cite this Entry

“Defibrillator.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/defibrillator. Accessed 24 Mar. 2025.

Medical Definition

defibrillator

noun
de·​fi·​bril·​la·​tor (ˈ)dē-ˈfib-rə-ˌlāt-ər How to pronounce defibrillator (audio) -ˈfīb- How to pronounce defibrillator (audio)
: an electronic device used to defibrillate a heart by applying an electric shock to it

More from Merriam-Webster on defibrillator

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