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optical

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adjective op·ti·cal \ˈäp-ti-kəl\

Simple Definition of optical

  • : used to help a person see

  • : relating to or using light

  • : involving the use of devices that get information for a computer by identifying patterns of light

Source: Merriam-Webster's Learner's Dictionary

Full Definition of optical

  1. 1 :  of or relating to the science of optics

  2. 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. 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. 4 :  of or relating to optical art

optically

play \-k(ə-)lē\ adverb

Examples of optical in a sentence

  1. The company manufactures microscopes, telescopes, and other optical instruments.

  2. <an optical illusion that fools most people>



1570

First Known Use of optical

1570


OPTICAL Defined for Kids

optical

play
adjective op·ti·cal \ˈäp-ti-kəl\

Definition of optical for Students

  1. 1 :  relating to the science of optics

  2. 2 :  relating to seeing :  visual

  3. 3 :  involving the use of devices that are sensitive to light to get information for a computer <an optical scanner>




Medical Dictionary

optical

play
adjective op·ti·cal \ˈäp-ti-kəl\

Medical Definition of optical

  1. 1:  of or relating to the science of optics

  2. 2a:  of or relating to vision :  visualb:  using the properties of light to aid vision <an optical instrument>

  3. 3:  of, relating to, or utilizing light <optical microscopy>





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