| / English Dictionary |
OPTICAL INSTRUMENT
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
An instrument designed to aid vision
Classified under:
Nouns denoting man-made objects
Hypernyms ("optical instrument" is a kind of...):
instrument (a device that requires skill for proper use)
Meronyms (parts of "optical instrument"):
lens; lens system; lense (a transparent optical device used to converge or diverge transmitted light and to form images)
Hyponyms (each of the following is a kind of "optical instrument"):
binoculars; field glasses; opera glasses ((plural) an optical instrument designed for simultaneous use by both eyes)
esophagoscope; oesophagoscope (an optical instrument for examining the inside of the esophagus)
jeweler's glass (an optical instrument used by jewelers; has one or more lenses and is used to view features not readily seen)
periscope (an optical instrument that provides a view of an otherwise obstructed field)
projector (an optical instrument that projects an enlarged image onto a screen)
sights (an optical instrument for aiding the eye in aiming, as on a firearm or surveying instrument)
eyeglasses; glasses; specs; spectacles ((plural) optical instrument consisting of a frame that holds a pair of lenses for correcting defective vision)
prism spectroscope; spectroscope (an optical instrument for spectrographic analysis)
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