gas·​trec·​to·​my | \ ga-ˈstrek-tə-mē How to pronounce gastrectomy (audio) \
plural gastrectomies

Definition of gastrectomy

: surgical removal of all or part of the stomach

Did you know?

Gastr- comes from the Greek word for "belly", and shows up in English in such words as gastric ("relating to the stomach") and gastronomy ("the cooking and eating of fine food"). Believe it or not, there are many people today who have had a gastrectomy and live without a stomach; some of them need to eat fairly steadily and carefully through the day, but many lead almost completely normal and even vigorous lives.

Examples of gastrectomy in a Sentence

Recent Examples on the Web Of those in the surgery group, 3348 had a Roux-en-Y gastric bypass and 1705 a sleeve gastrectomy. Bruce Y. Lee, Forbes, 4 Jan. 2022 Since a sleeve gastrectomy surgery removes a portion of the stomach, those who undergo the surgery must commit to a string of changes in their diet and fitness routines. Zee Krstic, Good Housekeeping, 21 Aug. 2020 In July 2017, Stolfi, 19, decided to undergo vertical sleeve gastrectomy surgery. People Staff,, 30 Dec. 2019 The treatment protocol would include chemotherapy, followed by a gastrectomy with the possibility of radiation. Kristen Jordan Shamus, Detroit Free Press, 26 Nov. 2019 That research involved analyzing data on 3,705 patients ages 19 and younger with a BMI of at least 30 who underwent either gastric bypass or sleeve gastrectomy between 2015 and 2017. Jacqueline Howard, CNN, 27 Oct. 2019 Feinstein underwent a sleeve gastrectomy, which was performed robotically. Jacqueline Howard, CNN, 27 Oct. 2019 The first step was to lose approximately 100 pounds before having a laparoscopic sleeve gastrectomy in December 2016. Des Bieler,, 23 Oct. 2019 The majority of patients had undergone gastric bypass or sleeve gastrectomy, while a smaller number had adjustable gastric banding or a duodenal switch procedure. Roni Caryn Rabin, New York Times, 2 Sep. 2019 See More

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

First Known Use of gastrectomy

1886, in the meaning defined above

History and Etymology for gastrectomy

International Scientific Vocabulary

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Time Traveler for gastrectomy

Time Traveler

The first known use of gastrectomy was in 1886

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Dictionary Entries Near gastrectomy

gas trap



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Cite this Entry

“Gastrectomy.” Dictionary, Merriam-Webster, Accessed 19 Aug. 2022.

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More Definitions for gastrectomy


gas·​trec·​to·​my | \ ga-ˈstrek-tə-mē How to pronounce gastrectomy (audio) \
plural gastrectomies

Medical Definition of gastrectomy

: surgical removal of all or part of the stomach

More from Merriam-Webster on gastrectomy Encyclopedia article about gastrectomy


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