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

This segment offers pacemakers, implantable defibrillators, heart valves, ablation systems, and vascular stents. —Joe Cornell, Forbes.com, 9 June 2025

The medical procedure Paramedics used a defibrillator to restore a normal heart rhythm. —Arielle Zionts, Miami Herald, 30 May 2025

However, the attraction is not recommended for guests with pacemakers, defibrillators, or certain other conditions. —Nathan Diller, USA Today, 27 Mar. 2025

Participants will learn how to perform high-quality compressions on an adult, child and infant, use an automatic external defibrillator (AED) and aid someone who is choking. —Jake Richardson, Mercury News, 12 May 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