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

Francona had a cardiac ablation procedure last July 7 at Cleveland Clinic. Terry Pluto, cleveland.com, "Cleveland Indians manager Terry Francona has me ready for season -- Terry Pluto," 20 Jan. 2018 Tamra shared the news with her followers on Instagram, posting a photo of the couple holding hands before Eddie, 45, went in for his second ablation — a non-surgical procedure to remove scar tissue inside the heart. Alexia Fernandez, PEOPLE.com, "Tamra Judge Celebrates 5 Years of Marriage to Husband Eddie After His Hospitalization This Week," 15 June 2018 The study found some benefits for ablation on measures such as reducing the risk of recurrence of atrial fibrillation. Peter Loftus, WSJ, "Heart Device Procedure Is No Better Than Drug Therapy for Irregular Heartbeat: Study," 10 May 2018 And some 300 patients who started the trial on drug therapy subsequently switched over to ablation. Peter Loftus, WSJ, "Heart Device Procedure Is No Better Than Drug Therapy for Irregular Heartbeat: Study," 10 May 2018 During ablation surgery, a doctor snakes a catheter into the heart to intentionally scar these hyperactive hot spots. Jacqueline Detwiler, Popular Mechanics, "This Pro Skydiver Was Invincible—Until his Heart Stopped Beating Regularly," 22 June 2018 Today, doctors are using advanced techniques to perform neurosurgeries, including the awake craniotomy, laser ablation and biomarkers to light up the tumor. Nancy Dahlberg, miamiherald, "Brain cancer treatments showing promise with targeted therapies. 'Very exciting stuff.' | Miami Herald," 25 May 2018 By contrast, a patient who undergoes laser ablation can be back to work or at school in less than two weeks. Wayne Drash, CNN, "Girl has blunt message for Aetna after her brain surgery request was denied," 11 Feb. 2018 Six days later, Erika underwent the ablation surgery at a facility in New York to target two small tumors on her liver. Wayne Drash, CNN, "Her only chance at life is a new liver, but her insurer said no. Then she wrote a powerful plea to the CEO," 13 May 2018

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.

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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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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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