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

Trump is using a defibrillator on a patient who not only passed a stress test with flying colors but is beating everyone else in the 100-yard dash. —Rich Lowry, National Review, 15 Apr. 2025

Following a week in the hospital and a defibrillator implant, the stepfather returned home on Wednesday, March 26, WIVB reported. —Brenton Blanchet, People.com, 28 Mar. 2025

The group also wants to identify more defibrillators throughout Tarrant County. —Ciara McCarthy, Fort Worth Star-Telegram, 23 Jan. 2025

Other firefighters on scene tried to revive Collett with CPR and a defibrillator until a Johnson County ambulance arrived, according to Jennings. —Ilana Arougheti, Kansas City Star, 9 Mar. 2025

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