: an endoscope for viewing the interior of the stomach

Word History

Etymology

International Scientific Vocabulary

First Known Use

1888, in the meaning defined above

Time Traveler
The first known use of gastroscope was in 1888

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Cite this Entry

“Gastroscope.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/gastroscope. Accessed 7 Jul. 2026.

Medical Definition

gastroscope

noun
: an endoscope for inspecting the interior of the stomach
gastroscopy noun
plural gastroscopies

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