re·​sec·​tion ri-ˈsek-shən How to pronounce resection (audio)
: the surgical removal of part of an organ or structure

Example Sentences

Recent Examples on the Web In the trial, the patients underwent surgery for resection, or removal, of their tumors and had an ultrasound device implanted. Laura Baisas, Popular Science, 3 May 2023 The inquiry comes in response to a Chronicle investigation that found John Muir leaders had dismissed warnings from staff that the community hospital was not equipped to handle such a specialized operation, known as a liver resection, on a child as young as Ailee Jong. Matthias Gafni, San Francisco Chronicle, 10 May 2022 Surgery Unless the cancer is clearly too advanced for surgery, most people will undergo exploratory surgery to determine if surgical resection (removal) is possible. Doru Paul, Verywell Health, 19 Mar. 2023 Later that year, 2-year-old Ailee Jong died on the operating table after John Muir moved forward with her complicated liver surgery despite warnings from staff members that the unit wasn’t prepared to perform its first-ever pediatric liver resection. Cynthia Dizikes, San Francisco Chronicle, 16 Dec. 2022 The office found that radical resection surgery was recommended by a facility ear, nose and throat provider and agreed to by the patient on March 8, 2020, but Office of Community Care staff did not take action for over three months after the first consult. Garrett Moore, Arkansas Online, 13 Sep. 2022 Before the abdominoperineal resection of the patient with carotenemia, Gorski believed the carrot juice fraud had a right to ply his worthless treatments. Matthew Hongoltz-hetling, The New Republic, 28 Feb. 2023 There is little data on how prevalent the operation was; however, surgery did become a mainstay of tuberculosis treatment from either plombage, lung deflation (known as pneumothorax), or simply surgical resection of a diseased lobe. Rebecca Kreston, Discover Magazine, 1 May 2015 The treatment relies heavily on a procedure called surgical resection. Joshua Hawkins, BGR, 2 Nov. 2022 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'resection.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1646, in the meaning defined above

Time Traveler
The first known use of resection was in 1646

Dictionary Entries Near resection

Cite this Entry

“Resection.” Dictionary, Merriam-Webster, Accessed 4 Jun. 2023.

Medical Definition


re·​sec·​tion ri-ˈsek-shən How to pronounce resection (audio)
: the surgical removal of part of an organ or structure
pancreatic resection
resection of the lower bowel
resection of a tumor
see abdominoperineal resection, mikulicz resection, segmental resection, wedge resection

More from Merriam-Webster on resection

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