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.
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 He was later fitted with a heart defibrillator, according to AP. Ben Church, CNN, 24 Feb. 2025 Read more What 'Wheel of Fortune' Fans Miss About Retired Host Pat Sajak Second time's the charm with the defibrillator, and doctors find a heartbeat. Thomas G. Moukawsher, Newsweek, 17 Dec. 2024 And because heart disease is the number one killer of women, cardiac and stroke events are the most preventable through education, which includes CPR and defibrillator training. Lauryn Higgins, Flow Space, 2 Dec. 2024 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 11 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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