English Reference

Word

colonoscopy

Definition

n. a medical test where a doctor looks inside your large intestine using a long, flexible tube with a camera. It is used to check for health problems like cancer or inflammation.

n. a medical procedure involving the insertion of a flexible endoscope into the rectum to examine the interior of the colon and rectum. Often performed for diagnostic or screening purposes, particularly for colorectal cancer.

Examples

“The doctor scheduled a colonoscopy to check for any signs of disease.”

“After experiencing persistent digestive issues, the patient underwent a colonoscopy to rule out any structural abnormalities in the large intestine.”

“While the procedure is generally safe, a colonoscopy requires thorough patient preparation and carries a small risk of complications such as bleeding or perforation of the intestinal wall.”

Examples

simple

“The doctor scheduled a colonoscopy to check for any signs of disease.”

contextual

“After experiencing persistent digestive issues, the patient underwent a colonoscopy to rule out any structural abnormalities in the large intestine.”

complex

“While the procedure is generally safe, a colonoscopy requires thorough patient preparation and carries a small risk of complications such as bleeding or perforation of the intestinal wall.”

Real-World Examples

“If blood is found, additional testing is offered, most often a colonoscopy.”
ScienceDaily · 21 Aug 2026
“For example, an analysis of 43 clinical trials concluded that A.I.-assisted colonoscopies reveal more polyps than conventional ones.”
Smithsonian Magazine · 29 Jul 2026

Etymology

From colono- + -scopy.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Domain

Medicine

This entry

Level
C1 · Advanced
Frequency
Occasional
Updated

Scan code

englishreference.com/q/colonoscopy

English Reference