co·​lo·​nos·​co·​py | \ ˌkō-lə-ˈnä-skə-pē How to pronounce colonoscopy (audio) \
plural colonoscopies

Definition of colonoscopy

: endoscopic examination of the colon

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Other Words from colonoscopy

colonoscope \ kō-​ˈlä-​nə-​ˌskōp How to pronounce colonoscope (audio) \ noun

Examples of colonoscopy in a Sentence

Recent Examples on the Web Bush temporarily transferred power in 2007 to undergo another colonoscopy. Jessica Gresko,, "How does a transfer of power work under the 25th Amendment? Here are some questions and answers.," 2 Oct. 2020 Bush temporarily transferred power in 2007 to undergo another colonoscopy. Jessica Gresko, Star Tribune, "AP Explains: Transfer of power under 25th Amendment," 2 Oct. 2020 In 1985, President Ronald Reagan had a colonoscopy. Natasha Khan And James Hookway, WSJ, "Trump Tests Positive for Covid: Here’s What Happens Next," 2 Oct. 2020 This has typically occurred when a president undergoes a medical procedure, as when George W. Bush underwent a colonoscopy in 2002 and 2007. CBS News, "The 25th Amendment: What happens if the president can't work?," 2 Oct. 2020 There's no colonoscopy or mammogram equivalent for pancreatic cancer, and it's often discovered incidentally, experts say. Grace Hauck, USA TODAY, "Ginsburg v. cancer was a 'remarkable fight': RBG battled five bouts of cancer over two decades," 19 Sep. 2020 One use for such materials could be gathering real-time information during a test, such as a colonoscopy, where physicians are visually searching for certain kinds of polyps. Courtney Sexton, Smithsonian Magazine, "Could Tattoo Ink Be Used to Detect Cancer?," 18 Sep. 2020 This year 2020 is like a colonoscopy, proposes Aaron M. Sackett, associate professor of marketing at the University of St. Thomas Open College of Business. Alan Murray, Fortune, "The future of the call center," 11 Sep. 2020 Doctors at Intermountain recommend that both men and women get a colonoscopy starting at age 50 — though the American Cancer Society supports starting colon cancer screening at 45. Sean P. Means, The Salt Lake Tribune, "Chadwick Boseman’s death should prompt people to get cancer screening, doctors say," 31 Aug. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'colonoscopy.' 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 colonoscopy

1926, in the meaning defined above

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Time Traveler for colonoscopy

Time Traveler

The first known use of colonoscopy was in 1926

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Statistics for colonoscopy

Last Updated

6 Oct 2020

Cite this Entry

“Colonoscopy.” Dictionary, Merriam-Webster, Accessed 19 Oct. 2020.

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More Definitions for colonoscopy


How to pronounce colonoscopy (audio)

English Language Learners Definition of colonoscopy

medical : a medical procedure in which a special tube-shaped instrument is used to take pictures of the inside of someone's colon


co·​lo·​nos·​co·​py | \ ˌkō-lə-ˈnäs-kə-pē How to pronounce colonoscopy (audio) , ˌkäl-ə- How to pronounce colonoscopy (audio) \
plural colonoscopies

Medical Definition of colonoscopy

: endoscopic examination of the colon transabdominal colonoscopy with a sigmoidoscope via colotomy

Other Words from colonoscopy

colonoscopic \ kō-​ˌlän-​ə-​ˈskäp-​ik How to pronounce colonoscopic (audio) \ adjective

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