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

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 In 1985, the doctors for President Ronald Reagan detected a cancer during what officials had described as a routine colonoscopy. Michael D. Shear And Lawrence K. Altman, M.d., New York Times, "Trump Is in ‘Excellent Health,’ Doctor Says After Exam," 12 Jan. 2018 She was instructed to see a gastroenterologist who recommended a colonoscopy — the standard procedure following a positive result. Claire Altschuler,, "Ditching the doctor? What to know about home health tests before trying them," 27 June 2018 Many of them never feel any symptoms and learn of the pouches inadvertently, usually after a routine colonoscopy. Laura Landro, WSJ, "Doctors Rethink the Cause—and Treatment—of Diverticular Disease," 20 Nov. 2018 The more than 27 million Americans without health insurance would surely be glad to have the checkups and colonoscopies that Ehrenreich has chosen to forgo. Judith Shulevitz, New York Times, "Is Our Obsession With Wellness Doing Us In?," 11 June 2018 Doctors are often forced to use either time-consuming or unreliable questionnaires that look for symptoms, or invasive colonoscopies. Alan Mozes,, "Tummy rumblings might help diagnose bowel disorder," 8 June 2018 Our searchable database features cash prices for more than 30 common, shoppable procedures, such as blood tests, MRIs and colonoscopies, at facilities throughout the Philadelphia area. Sarah Gantz,, "Join the conversation on Philly Health Costs," 22 Feb. 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

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).


to make a payment or contribution

Get Word of the Day daily email!

Test Your Vocabulary

Time Traveler Quiz: Which Word Came First?

  • time traveler quiz which word came first
  • Which came first?
True or False

Test your knowledge - and maybe learn something along the way.

Word Winder's CrossWinder

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!