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
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Among the participants in the first group, around 23% experienced a medical event such as a dangerously fast heart rhythm, treatment by a defibrillator (either a shock or pacing), an unplanned hospital stay for heart rhythm problems or heart failure, or death from any cause.
—
Angelica Stabile, FOXNews.com, 9 Sep. 2025
Ambulance crews carry defibrillators, but in remote or rural areas, delays are common.
—Neetika Walter, Interesting Engineering, 8 Sep. 2025
Public defibrillators are often locked away in buildings or overlooked in emergencies.
—New Atlas, 28 Aug. 2025
Around the world, defibrillators, motorbikes, and water towers are being donated, sold, or simply abandoned.
—Hana Kiros, The Atlantic, 26 Aug. 2025
See All Example Sentences for defibrillator
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Angelica Stabile, FOXNews.com, 9 Sep. 2025
Ambulance crews carry defibrillators, but in remote or rural areas, delays are common.
—Neetika Walter, Interesting Engineering, 8 Sep. 2025
Public defibrillators are often locked away in buildings or overlooked in emergencies.
—New Atlas, 28 Aug. 2025
Around the world, defibrillators, motorbikes, and water towers are being donated, sold, or simply abandoned.
—Hana Kiros, The Atlantic, 26 Aug. 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 14 Sep. 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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