optical

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adjective op·ti·cal \ˈäp-ti-kəl\

Definition of optical

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

  2. 2a :  of or relating to vision :  visualb :  visible 1 optical wavelengthc :  of, relating to, or being objects that emit light in the visible range of frequencies an optical galaxyd :  using the properties of light to aid vision an optical instrument

  3. 3a :  of, relating to, or utilizing light especially instead of other forms of energy optical microscopyb :  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 \ˈäp-ti-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 English Language Learners

optical

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adjective op·ti·cal \ˈäp-ti-kəl\

Definition of optical for English Language Learners

  • : 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


OPTICAL Defined for Kids

optical

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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

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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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clearly seen through or understood

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