• synonyms


noun Medicine/Medical.
  1. visual inspection of the interior of the colon with a flexible, lighted tube inserted through the rectum.
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Also called coloscopy.
Related formsco·lon·o·scop·ic [kuh-lon-uh-skop-ik] /kəˌlɒn əˈskɒp ɪk/, adjectiveco·lon·o·scop·i·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for colonoscopy

Contemporary Examples

Word Origin and History for colonoscopy


by 1902 (earlier procto-colonoscopy, 1896; colonoscope attested from 1884), from colon (n.2) + -oscopy (see -scope).

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Online Etymology Dictionary, © 2010 Douglas Harper

colonoscopy in Medicine


  1. Examination of the inner surface of the colon by means of a colonoscope.coloscopy
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

colonoscopy in Science


  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.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.