co·​lo·​nos·​co·​py | \ˌkō-lə-ˈnä-skə-pē \
plural colonoscopies

Definition of colonoscopy 

: endoscopic examination of the colon

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Other Words from colonoscopy

colonoscope \ kō-​ˈlä-​nə-​ˌskōp \ noun

Examples of colonoscopy in a Sentence

Recent Examples on the Web

Abortions send women to hospital emergency rooms at lower rates than such routine procedures as colonoscopies and surgeries to have wisdom teeth removed, new research has found. Melissa Healy,, "Scant abortion-related ER visits suggest there's no medical basis for restrictive laws, study says," 15 June 2018 To learn more about colorectal health or to schedule a colonoscopy at St. Elizabeth, please call (800) 737-7900 or visit St. Elizabeth,, "Colorectal Cancer Awareness," 30 Mar. 2018 Not everyone would have to get a colonoscopy (some could do at-home stool tests), but those that do could have an easier time of prepping for it than their parents did. USA TODAY, "A reporter made Sarah Sanders' voice break. He's 13.," 30 May 2018 Mayo’s colonoscopy revealed two, large pre-cancerous lesions, which the doctor removed. Claire Altschuler,, "Ditching the doctor? What to know about home health tests before trying them," 27 June 2018 Rajeev Jain, a gastroenterologist in Dallas and a spokesman for the American Gastroenterological Association, pointed to Katie Couric’s televised colonoscopy in 2000 as a turning point. Joanne Kaufman, New York Times, "If You Think the Poop Emoji Is Gross, Don’t Read This," 24 May 2018 What my neighbor had witnessed was a home colonoscopy gone awry. Sally Higginson,, "Column: With the arrival of spring, it's time to give the plumber a ring," 7 Mar. 2018 Positive Cologuard results should be referred to diagnostic colonoscopy. Ashley Davidson, USA TODAY, "Why more than 70 pro golfers agreed to get screened for this deadly cancer," 12 June 2018 Anyone over the age of 50 should get a screening colonoscopy completed. Andrea K. Mcdaniels,, "Diverticulitis can cause digestive problems for some," 7 June 2018

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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Last Updated

29 Oct 2018

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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, ˌkäl-ə- \
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 \ 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).


to express warning or disapproval

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