Optical

adjective

/ˈɒptɪkəl/

Word Frequency: 17.2

Definitions

1.adjectiveOf, or relating to sight; visual.

"Strabismus is an optical defect."

2.adjectiveDesigned to assist or enhance sight

"A microscope is an optical instrument."

3.adjectiveOf, or relating to optics.

"Refraction is an optical effect."

4.adjectiveOf, or relating to visible light.

"Optical telescopes don't work when it is cloudy."

5.adjectiveIncorporating light-sensitive devices.

"An optical switch opens the door automatically."

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