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optical

38 ENTRIES FOUND:

op·ti·cal

adj \ˈäp-ti-kəl\

Definition of OPTICAL

1
: of or relating to the science of optics
2
a : of or relating to vision : visual b : visible 1 <optical wavelength> c : of, relating to, or being objects that emit light in the visible range of frequencies <an optical galaxy> d : using the properties of light to aid vision <an optical instrument>
3
a : of, relating to, or utilizing light especially instead of other forms of energy <optical microscopy> b : involving the use of light-sensitive devices to acquire information for a computer <optical character recognition>
4
: of or relating to optical art
op·ti·cal·ly \-k(ə-)lē\ adverb

Examples of OPTICAL

  1. The company manufactures microscopes, telescopes, and other optical instruments.
  2. <an optical illusion that fools most people>

First Known Use of OPTICAL

1570

Related to OPTICAL

Synonyms: ocular, optic, visual
Antonyms: nonvisual
Related Words: seeing, sighted; focusing (also focussing)
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