co·​lo·​nos·​co·​py ˌkō-lə-ˈnä-skə-pē How to pronounce colonoscopy (audio)
plural colonoscopies
: endoscopic examination of the colon
colonoscope noun

Examples of colonoscopy in a Sentence

Recent Examples on the Web This change could avoid 1,000 unnecessary colonoscopies. Claire Bugos, Verywell Health, 14 May 2024 While colonoscopies remain the more reliable tool to screen for colon cancer, Cologuard is considered a handy runner-up. Meghana Keshavan, STAT, 10 May 2024 The day before a colonoscopy, patients must take laxatives to clear out their colon for cameras to get the best view. Erika Edwards, NBC News, 13 Mar. 2024 The researchers did not find a higher risk among people getting only colonoscopies. Elaine Chen, STAT, 28 Mar. 2024 This misperception is impacting screening rates as less than half (44%) of Gen X women who are eligible for screening have undergone colonoscopies. Lipi Roy, Md, Forbes, 28 Mar. 2024 The high false positive rate persuaded many to go ahead and have the colonoscopy in the first place. Binghui Huang, The Indianapolis Star, 18 Mar. 2024 The great colonoscopy prep adventure The preparation for a colonoscopy might be the most memorable part of the process. Dr. Jamin Brahmbhatt, CNN, 18 Mar. 2024 Those with colon cancer symptoms and risk factors — including a family history of the disease — would still need a colonoscopy, per the outlet. Nicholas Rice, Peoplemag, 17 Mar. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'colonoscopy.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1926, in the meaning defined above

Time Traveler
The first known use of colonoscopy was in 1926

Dictionary Entries Near colonoscopy

Cite this Entry

“Colonoscopy.” Dictionary, Merriam-Webster, Accessed 21 May. 2024.

Medical Definition


co·​lo·​nos·​co·​py ˌkō-lə-ˈnäs-kə-pē How to pronounce colonoscopy (audio) ˌkäl-ə- How to pronounce colonoscopy (audio)
plural colonoscopies
: endoscopic examination of the colon
transabdominal colonoscopy with a sigmoidoscope via colotomy
colonoscopic adjective
Last Updated: - Updated example sentences
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