English Dictionary |
OPTICAL INSTRUMENT
Pronunciation (US): | (GB): |
IPA (US): |
Dictionary entry overview: What does optical instrument mean?
• OPTICAL INSTRUMENT (noun)
The noun OPTICAL INSTRUMENT has 1 sense:
1. an instrument designed to aid vision
Familiarity information: OPTICAL INSTRUMENT used as a noun is very rare.
Dictionary entry details
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)
Context examples
A microscope is an optical instrument that uses a combination of lenses to produce magnified images of very small objects
(Microscope, NCI Thesaurus)
An optical instrument that uses a combination of lenses to produce magnified images of very small objects
(Microscope Device Component, NCI Thesaurus)
Learn English with... Proverbs |
"Do not be alone even in heaven." (Albanian proverb)
"The one-eyed person is a beauty in the country of the blind." (Arabic proverb)
"Eat a big bite but don't say a big statement." (Cypriot proverb)