optical instrument
English Thesaurus
1. an instrument designed to aid vision (noun.artifact)
| hypernym | : | instrument, |
| definition | : | a device that requires skill for proper use (noun.artifact) |
| hyponym | : | jeweler's glass, |
| definition | : | an optical instrument used by jewelers; has one or more lenses and is used to view features not readily seen (noun.artifact) |
| hyponym | : | periscope, |
| definition | : | an optical instrument that provides a view of an otherwise obstructed field (noun.artifact) |
| hyponym | : | projector, |
| definition | : | an optical instrument that projects an enlarged image onto a screen (noun.artifact) |
| hyponym | : | sights, |
| definition | : | an optical instrument for aiding the eye in aiming, as on a firearm or surveying instrument (noun.artifact) |
| hyponym | : | eyeglasses, glasses, specs, spectacles, |
| definition | : | optical instrument consisting of a frame that holds a pair of lenses for correcting defective vision (noun.artifact) |
| part holonym | : | lens, lens system, lense, |
| definition | : | a transparent optical device used to converge or diverge transmitted light and to form images (noun.artifact) |
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