optical

English

Etymology

optic + -al

Pronunciation

Adjective

optical (comparative more optical, superlative most optical)

  1. Of, or relating to sight; visual.
    Strabismus is an optical defect.
    (Can we add an example for this sense?)
  2. Designed to assist or enhance sight
    A microscope is an optical instrument.
  3. Of, or relating to optics.
    Refraction is an optical effect.
  4. Of, or relating to visible light.
    Optical telescopes don't work when it is cloudy.
  5. Incorporating light-sensitive devices.
    An optical switch opens the door automatically.

Derived terms

Translations

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Anagrams

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