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optic +‎ -al


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[edit]


The translations below need to be checked and inserted above into the appropriate translation tables, removing any numbers. Numbers do not necessarily match those in definitions. See instructions at Wiktionary:Entry layout#Translations.