[ gas-truh-skohp ]
/ ˈgæs trəˌskoʊp /
Save This Word!

noun Medicine/Medical.

a lighted flexible tubular instrument passed through the mouth for examining the esophagus, stomach, and duodenum.



Were you ready for a quiz on this topic? Well, here it is! See how well you can differentiate between the uses of "was" vs. "were" in this quiz.
Question 1 of 7
“Was” is used for the indicative past tense of “to be,” and “were” is only used for the subjunctive past tense.

Meet Grammar Coach

Write or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing

Meet Grammar Coach

Improve Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

Origin of gastroscope

First recorded in 1885–90; gastro- + -scope

OTHER WORDS FROM gastroscope

gas·tro·scop·ic [gas-truh-skop-ik], /ˌgæs trəˈskɒp ɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for gastroscope

/ (ˈɡæstrəˌskəʊp) /


a medical instrument for examining the interior of the stomach

Derived forms of gastroscope

gastroscopic (ˌɡæstrəˈskɒpɪk), adjectivegastroscopist (ɡæsˈtrɒskəpɪst), noungastroscopy, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for gastroscope

[ găstrə-skōp′ ]


An endoscope for examining the inner surface of the stomach.

Other words from gastroscope

gas′tro•scopic (-skŏpĭk) adj.gas•trosco•pist (gă-strŏskə-pĭst) n.gas•trosco•py (-kə-pē) n.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.