Dictionary.com
definitions

endoscopy

[en-dos-kuh-pee]
noun, plural en·dos·co·pies.
  1. an examination by means of an endoscope.

Origin of endoscopy

endo- + -scopy
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Word Origin and History for endoscopy
n.

1861, from endo- + -oscopy (see -scope).

Online Etymology Dictionary, © 2010 Douglas Harper
endoscopy in Medicine

endoscopy

[ĕn-dŏs′kə-pē]
n.
  1. Examination of the interior of a canal or hollow organ by means of an endoscope.
Related formsen•dos′co•pist n.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
endoscopy in Science

endoscope

[ĕn′də-skōp′]
  1. A medical instrument used for visual examination of the interior of a body cavity or a hollow organ such as the colon, bladder, or stomach. It is a rigid or flexible tube fitted with lenses, a fiber-optic light source, and often a probe, forceps, suction device, or other apparatus for examination or retrieval of tissue.
Related formsendoscopy noun (ĕn-dŏs′kə-pē)
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.