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

Over the course of what was a typical eight-hour day, the shy 24-year-old watched about a dozen colonoscopy videos, constantly reversing the video for a closer look at individual frames. Cade Metz, New York Times, "A.I. Is Learning From Humans. Many Humans.," 16 Aug. 2019 During a routine colonoscopy on June 26, cancer was discovered. Jeff Nahill, San Diego Union-Tribune, "Trainer plans on beating cancer again," 30 July 2019 The cost estimator component, scheduled to launch at the end of September, will allow consumers to compare the cost of routine procedures such as colonoscopies, or more specialized procedures such as hip-replacements, across provider networks. Maya Moore,, "Office of Health Strategy launches online health care rating system," 8 Aug. 2019 O'Donnell, looking fresh and camera-ready for a run-through just hours after undergoing a colonoscopy, went over the script and suggested ways to emphasize any original reporting CBS News correspondents brought to the stories. Stephen Battaglio,, "Norah O'Donnell tries to restore the house that Cronkite built at CBS News," 14 July 2019 Researchers examined data on 32,606 male and 55,743 female health professionals who had a colonoscopy between 1986 and 2012. Reuters, The Mercury News, "Men: Want lower risk of colorectal cancer? Eat yogurt," 3 July 2019 The breadth of training includes colonoscopy/endoscopy for cancer detection; prenatal and obstetrics care, including high-risk and surgical deliveries; procedural and hospital medicine and comprehensive outpatient and preventive care. Staff Report, Houston Chronicle, "Texas A&M Family Medicineresidents achieve 100% pass rate on board exams for fourth year," 27 June 2019 This less invasive test can be done at home and has proved to be as effective as a traditional colonoscopy. Molly Korzenowski, Twin Cities, "10 Minnesota innovations we can’t live without," 8 June 2019 Patients who require colonoscopy often have questions and concerns about the procedure. Danielle Corcione, Teen Vogue, "What to Expect During Your First Colonoscopy," 26 May 2019

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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Statistics for colonoscopy

Last Updated

17 Sep 2019

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Time Traveler for colonoscopy

The first known use of colonoscopy was in 1926

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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

Comments on colonoscopy

What made you want to look up colonoscopy? Please tell us where you read or heard it (including the quote, if possible).


concealment of treason or felony

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