de·fi·bril·la·tor | \ (ˌ)dē-ˈfi-brə-ˌlā-tər \

Definition of defibrillator 

: an electronic device that applies an electric shock to restore the rhythm of a fibrillating heart

Keep scrolling for more

Other words from defibrillator

defibrillate \-ˌlāt \ transitive verb
defibrillation \-ˌfi-brə-ˈlā-shən \ noun

Examples of defibrillator in a Sentence

Recent Examples on the Web

Repurposed in imaginative ways, many have reappeared on city streets and village greens housing tiny cafes, cellphone repair shops or even defibrillator machines. Palko Karasz, New York Times, "The Red Phone Box, a British Icon, Stages a Comeback," 22 May 2018 The officers used the defibrillator and CPR on the man, police said. Joshua Sharpe, ajc, "In an hour, two men have heart attacks at same MARTA station," 25 Apr. 2018 Finally, investigators believe Jim and Carla Russell stole $1,464 the Gonzales County EMS employees raised during a Haunted Hay Ride in October 2016 to buy new defibrillators for the Gonzales County Sheriff's Office. Caleb Downs, San Antonio Express-News, "Husband, wife accused of embezzling $150K in donations to Gonzales County EMS," 6 June 2018 Police noted that a swastika and two anti-gay slurs were painted on the outside of the building, and several fire extinguishers were damaged inside the facility, along with vending machines, display cases, and an emergency defibrillator. Travis Andersen,, "Arlington High students who sprayed hate speech on school building have pathway to avoiding charges," 21 May 2018 Officer Patrick Riodan arrived at the scene and requested an AED defibrillator that Officer Michael Tommasino brought over within minutes. Fox News, "New York City cops save tourist, 83, who suffered heart attack while celebrating wedding anniversary," 22 Apr. 2018 Fellow passengers said there was no defibrillator on board, while United maintained crew members used one to try and save the man's life, as reported by CBS Boston. Bridget Hallinan, Condé Nast Traveler, "Tuesday Was a Crazy Day for Air Travel," 27 June 2018 The village also wants to make the antidote widely available in schools and private businesses, similar to how defibrillators are placed in common areas. John Keilman,, "To combat opioid crisis, suburb will have overdose-reversing naloxone available in public places," 22 June 2018 His achievements there included writing one law that increased maternity leave to 18 weeks from 14 and another that mandated defibrillators in public places. Mary Anastasia O’grady, WSJ, "Colombia’s Presidential Showdown," 17 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'defibrillator.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of defibrillator

1952, in the meaning defined above

Keep scrolling for more

Learn More about defibrillator

Share defibrillator

Statistics for defibrillator

Last Updated

10 Sep 2018

Look-up Popularity

Time Traveler for defibrillator

The first known use of defibrillator was in 1952

See more words from the same year

Keep scrolling for more

More Definitions for defibrillator



English Language Learners Definition of defibrillator

medical : a device that gives an electric shock to a person's heart in order to make it beat normally again especially after a heart attack


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

Medical Definition of defibrillator 

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

More from Merriam-Webster on defibrillator

Nglish: Translation of defibrillator for Spanish Speakers

Comments on defibrillator

What made you want to look up defibrillator? Please tell us where you read or heard it (including the quote, if possible).


to make amends

Get Word of the Day daily email!

Test Your Vocabulary

Musical Words Quiz

  • gramophone
  • Which word describes a musical performance marked by the absence of instrumental accompaniment?
True or False

Test your knowledge - and maybe learn something along the way.


Test Your Knowledge - and learn some interesting things along the way.


Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!