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optical

[op-ti-kuh l]
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adjective
  1. of, relating to, or applying optics or the principles of optics.
  2. constructed to assist sight or to correct defects in vision.
  3. of or relating to sight or vision; visual.
  4. of or relating to the eye.
  5. of or relating to an optician or opticians or to their products, especially eyeglasses: an optical service.
  6. dealing with or skilled in optics.
noun
  1. opticals. optical effects.

Origin of optical

First recorded in 1560–70; optic + -al1
Related formsop·ti·cal·ly, adverbnon·op·ti·cal, adjectivenon·op·ti·cal·ly, adverbsub·op·ti·cal, adjectivesub·op·ti·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for optically

optical

adjective
  1. of, relating to, producing, or involving light
  2. of or relating to the eye or to the sense of sight; optic
  3. (esp of a lens) aiding vision or correcting a visual disorder
Derived Formsoptically, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for optically

optical

adj.

1560s, from optic + -al (1). Of abstract art, from 1964. Related: Optically.

Online Etymology Dictionary, © 2010 Douglas Harper

optically in Science

optical

[ŏptĭ-kəl]
  1. Relating to vision or the eyes.
  2. Relating to optics.
  3. Relating to or using visible light.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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