Pronunciations (4)
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/ˈɒptɪkəl/
Pronunciation notes
- Received-Pronunciation
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/ˈɑptɪkəl/
Pronunciation notes
- General-American
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ˈɒptɪkəl
Pronunciation notes
- GB
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ˈɑptɪkəl
Pronunciation notes
- US
Adjective
Of or relating to sight; visual.
- Examples
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Strabismus is an optical defect.
Designed to assist or enhance sight
- Examples
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A microscope is an optical instrument.
Of or relating to optics.
- Examples
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Refraction is an optical effect.
Of or relating to visible light.
- Examples
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Optical telescopes don't work when it is cloudy.
Incorporating light-sensitive devices.
- Examples
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An optical switch opens the door automatically.
Noun
Any special effect requiring laboratory work on the film.
- Examples
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More examples (1)
It is a glossy film with gross, opulent opticals and little comic, or any, relief; it has the jaundiced complexion of an early 60s underground film, which it is; it is ponderous, Wagnerian, and feels about five hours long (its running time is about an hour).
If you plan to output back to film, opticals and effects can be shot on film or generated by computer and then transferred to film.
Adjective
of or relating to or involving light or optics
- Examples
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optical supplies
relating to or using sight
- Examples
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ocular inspection
an optical illusion
More examples (2)
visual powers
visual navigation
of or relating to or resembling the eye
- Synonyms
- Examples
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ocular muscles
an ocular organ
More examples (4)
ocular diseases
the optic (or optical) axis of the eye
an ocular spot is a pigmented organ or part believed to be sensitive to light
ophthalmic defect