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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:

If blood is found, additional testing is offered, most often a colonoscopy.

From Science Daily Aug. 21, 2026

He had also just started on cholesterol drugs and undergone his first colonoscopy.

From The Wall Street Journal Jul. 29, 2026

No one looks forward to a colonoscopy, but for the millions of Americans who refuse screening, a simple blood test could help catch colon cancer.

From MarketWatch Jun. 4, 2026

By the time he had a video examination of his bowels – called a colonoscopy – the cancer was so large it blocked the camera from getting in.

From BBC Apr. 28, 2026

And in the middle of Eisman’s colonoscopy, a roomful of doctors and nurses retold the story of Eisman’s genius.

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

"Our method detected 90% of cancer cases, a result very close to the 94% detection rate achieved by colonoscopies and better than all current non-invasive detection methods."

From Science Daily Apr. 9, 2026

"So I hope you're getting your check-ups. I hope you get your colonoscopies and breast exams and prostate exams, they will save your life."

From BBC Dec. 2, 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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