ˈgastrəˌskōp noun
Etymology: International Scientific Vocabulary gastr- + -scope
: a hollow tubular instrument designed to pass into the stomach by way of the mouth and esophagus and fitted with optical and lighting equipment that permits visual inspection of the stomach
• gas·tro·scop·ic |gastrə|skäpik adjective
• gas·tros·co·pist gaˈsträskəpə̇st noun -s
• gas·tros·co·py -pē noun -es