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

defibrillate

(ˌ)dē-ˈfi-brə-ˌlāt 

transitive verb

defibrillation

(ˌ)dē-ˌfi-brə-ˈlā-shən 

noun

Examples of defibrillator in a Sentence

Recent Examples on the Web

Italian health regulations prohibited players from playing with the implantable cardioverter defibrillator. —ABC News, 8 June 2026

He was resuscitated on the pitch back then in Copenhagen and made a full recovery, returning to the sport after having an implantable cardioverter defibrillator fitted. —Ben Church, CNN Money, 8 June 2026

Surgery staff not using defibrillator pads. —David J. Neal, Miami Herald, 7 June 2026

Moments later, someone ran by with an AED defibrillator—the portable device helps detect an abnormal heartbeat and can deliver an electrical shock during sudden cardiac arrest. —Asal Rezaei, CBS News, 12 May 2026

Word History

First Known Use

1952, in the meaning defined above

Rhymes for defibrillator

• accelerator
• accumulator
• adjudicator
• administrator
• appropriator
• articulator
• attenuator
• bronchodilator
• collaborator
• communicator
• conciliator
• cooperator

Medical Definition

defibrillator

noun

de·​fi·​bril·​la·​tor (ˈ)dē-ˈfib-rə-ˌlāt-ər  -ˈfīb- 

: an electronic device used to defibrillate a heart by applying an electric shock to it