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

Keep scrolling for more

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

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 Called Plenvu, this liquid drug is designed to replace the traditional, poor-tasting bowel cleaning liquid that patients drink to prep their systems for a colonoscopy. Eli Blumenthal, USA TODAY, "Colonoscopy prep may be easier with new drug Plenvu," 8 May 2018 This is a quadrennial duty, like a colonoscopy or a presidential election, neither anticipated nor considered at all without reminders. Bernie Lincicome,, "It's a quadrennial duty to inform that figure skating is not a sport," 16 Feb. 2018 These holes can develop after having illnesses (like appendicitis), having an underlying gastrointestinal condition (such as Crohn's disease or ulcerative colitis), or after having abdominal surgery or procedures (such as a colonoscopy). Korin Miller, SELF, "Matthew Perry Just Spent 3 Months in the Hospital After a ‘Gastrointestinal Perforation’," 17 Sep. 2018 Dozens — some as young as 2 — have perished after routine operations, such as colonoscopies and tonsillectomies. USA TODAY, "How a push to cut costs and boost profits at surgery centers led to a trail of death," 2 Mar. 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.

See More

First Known Use of colonoscopy

1926, in the meaning defined above

Keep scrolling for more

Learn More about colonoscopy

Statistics for colonoscopy

Last Updated

23 Jul 2019

Look-up Popularity

Time Traveler for colonoscopy

The first known use of colonoscopy was in 1926

See more words from the same year

Keep scrolling for more

More Definitions for colonoscopy



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).


having no luck

Get Word of the Day daily email!

Test Your Vocabulary

What's that Smell?! Quiz

  • wide eyed dog smelling rose
  • Someone who is hircine smells like a:
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!


Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!