optical instrument 1
noundomain: artefact
Princeton WordNet [ver.3.1]
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EnglishDefinition
an instrument designed to aid vision
Hypernym
instrument 1
noun
a device that requires skill for proper use
Part_meronym
lens 1
noun
a transparent optical device used to converge or diverge transmitted light and to form images
EnglishHyponym
binoculars 1
noun
(plural) an optical instrument designed for simultaneous use by both eyes
esophagoscope 1
noun
an optical instrument for examining the inside of the esophagus
an optical instrument used by jewelers; has one or more lenses and is used to view features not readily seen
periscope 1
noun
an optical instrument that provides a view of an otherwise obstructed field
projector 2
noun
an optical instrument that projects an enlarged image onto a screen
Part_holonym
lens 1
noun
a transparent optical device used to converge or diverge transmitted light and to form images
