colonoscopy

noun

co·​lo·​nos·​co·​py ˌkō-lə-ˈnä-skə-pē 

plural colonoscopies

: endoscopic examination of the colon

colonoscope

kō-ˈlä-nə-ˌskōp 

noun

Examples of colonoscopy in a Sentence

Recent Examples on the Web

Manganiello detailed debilitating abdominal pain, fevers, rashes, headaches, fatigue and ulcers in his digestive tract that caused bleeding and led to countless colonoscopies. — Emily St. Martin, Los Angeles Times, 7 Oct. 2026

The test is intended to complement, rather than replace, existing screenings such as mammograms and colonoscopies. — Alexa Lomonaco, CNBC, 6 Oct. 2026

If those colonoscopies were done in an independent surgery center or physician’s office, insurers would have paid almost two-thirds less. — Bob Herman, STAT, 5 Oct. 2026

Grail says its Galleri test should be additive to standardized cancer screenings, like colonoscopies and mammograms, and not be used as a replacement. — Yuki Noguchi, NPR, 23 Sep. 2026

Word History

First Known Use

1926, in the meaning defined above

Phrases Containing colonoscopy

• virtual colonoscopy

Rhymes for colonoscopy

• laparoscopy
• arthroscopy
• fluoroscopy
• spectroscopy

Medical Definition

colonoscopy

noun

co·​lo·​nos·​co·​py ˌkō-lə-ˈnäs-kə-pē  ˌkäl-ə- 

plural colonoscopies

: endoscopic examination of the colon

transabdominal colonoscopy with a sigmoidoscope via colotomy

colonoscopic

kō-ˌlän-ə-ˈskäp-ik 

adjective