ab·​la·​tion | \ a-ˈblā-shən How to pronounce ablation (audio) \

Definition of ablation

: the process of ablating: such as
a : surgical removal
b : loss of a part (such as ice from a glacier or the outside of a nose cone) by melting or vaporization

Examples of ablation in a Sentence

Recent Examples on the Web Another company called SentiAR creates live, interactive 3-D visuals of patient’s hearts during cardiac-ablation procedures, which are performed to correct heart-rhythm problems. Joanna Stern, WSJ, 6 May 2022 Some can get it under control with medication or an ablation — a procedure where doctors freeze or burn the inside of the heart to restore a normal heart rhythm — but others can't, and are at high risk for life-ending cardiac arrest. Julie Mazziotta, PEOPLE.com, 13 Apr. 2022 One option is a radiofrequency ablation, a procedure that destroys the cells that can cause the condition. Marina Pitofsky, USA TODAY, 12 Apr. 2022 An ablation is a procedure where a cardiologist uses heat or radio waves to destroy the tiny part of the heart responsible for the errant signals. Dr. Keith Roach, oregonlive, 25 Oct. 2021 This is the latest hurdle for Wieck, who twice in the last two years had a heart ablation procedure related to an irregular heartbeat. Meghan Montemurro, chicagotribune.com, 20 Mar. 2022 But some studies suggest that non-thermal ablation is easier for physicians and less intense for patients. BostonGlobe.com, 24 June 2021 This spot is still something of a pick ’em — and the team doesn’t need a fifth starter for the first two weeks, allowing Wood plenty of time to return from a spinal ablation and Sanchez time to get in more work after signing late. Susan Slusser, San Francisco Chronicle, 27 Mar. 2021 Called laser ablation inductively coupled mass spectrometry, or LA-ICP-MS, the technique uses a laser to remove a tiny speck of material, invisible to the naked eye. Carolyn Wilke, Smithsonian Magazine, 24 Nov. 2021 See More

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

First Known Use of ablation

15th century, in the meaning defined above

History and Etymology for ablation

Middle English ablacioun "removal," borrowed from Late Latin ablātiōn-, ablātiō, from Latin ablā-, suppletive stem of auferre "to carry away, remove" + -tiōn-, tiō, suffix of action nouns — more at ablate

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The first known use of ablation was in the 15th century

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Last Updated

12 May 2022

Cite this Entry

“Ablation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ablation. Accessed 18 May. 2022.

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More Definitions for ablation


ab·​la·​tion | \ a-ˈblā-shən How to pronounce ablation (audio) \

Medical Definition of ablation

: the process of ablating especially : surgical removal

More from Merriam-Webster on ablation

Nglish: Translation of ablation for Spanish Speakers


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