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colonoscopy

American  
[koh-luh-nos-kuh-pee] / ˌkoʊ ləˈnɒs kə pi /

noun

Medicine/Medical.
colonoscopies plural
  1. visual inspection of the interior of the colon with a flexible, lighted tube inserted through the rectum.


colonoscopy Scientific  
/ kō′lə-nŏskə-pē /
  1. Inspection of the interior surface of the colon with a flexible endoscope that is equipped to obtain tissue samples and inserted through the rectum.


Other Word Forms

Derived Forms

Inflected Forms

Nouns

Etymology

Origin of colonoscopy

First recorded in 1900–05; colon 2 ( def. ) + -o- ( def. ) + -scopy ( def. )

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Imagine going to the doctor for a colonoscopy and leaving with a complete view not just of your gut or colon-cancer risk, but of your overall health status.

From The Wall Street Journal Jun. 14, 2026

Others worry about the invasiveness of a colonoscopy and undergoing anesthesia or are too sick with a chronic disease to be sedated.

From MarketWatch Jun. 4, 2026

For the first time, the American Cancer Society recommended in an announcement last month that a blood test could be used to screen people who choose not to or can’t get a colonoscopy.

From MarketWatch Jun. 4, 2026

Rachel, who does not want the BBC to use her surname, said an indentation in her abdomen had been picked up during a regular colonoscopy for another condition.

From BBC Apr. 8, 2026

A year later, he went back to the same doctor for a colonoscopy.

From "The Big Short" by Michael Lewis

The same AI pattern-recognition that’s learning to spot breast tumors is being applied to thyroid screening, lung nodule detection and colonoscopies.

From The Wall Street Journal May 4, 2026

A lower level would mean more people being referred for colonoscopies to help diagnose or rule out bowel cancer.

From BBC Mar. 31, 2026

Move over, colonoscopies -- researchers writing in ACS Sensors report that they have created tiny microspheres filled with bacteria that can sense the presence of blood, a key sign of gastrointestinal disease.

From Science Daily Nov. 21, 2025

Exact’s Cologuard is the first non-invasive at-home test for colorectal cancer, allowing some people to bypass invasive and time-consuming colonoscopies as part of their routine care.

From MarketWatch Nov. 20, 2025

Just as we have timelines for things like mammograms and colonoscopies, I would love to see timelines for menopause training where at age 35, we start explaining symptoms to women.

From Los Angeles Times Mar. 25, 2025

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