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optical

 [op-ti-kuhl]   Example Sentences Origin

op·ti·cal

   [op-ti-kuhl]
adjective
1.
of, pertaining to, or applying optics or the principles of optics.
2.
constructed to assist sight or to correct defects in vision.
3.
of or pertaining to sight or vision; visual.
4.
of or pertaining to the eye.
5.
of or pertaining to an optician or opticians or to their products, especially eyeglasses: an optical service.
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6.
dealing with or skilled in optics.
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noun
7.
opticals. optical effects.

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Optical is always a great word to know.
So is slumgullion. Does it mean:
a stew of meat, vegetables, potatoes, etc.
a fool or simpleton; ninny.
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Origin:
1560–70; optic + -al1

Related forms
op·ti·cal·ly, adverb
non·op·ti·cal, adjective
non·op·ti·cal·ly, adverb
sub·op·ti·cal, adjective
sub·op·ti·cal·ly, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
Cite This Source Link To optical
Example Sentences
  • Making super thin laptops isn't the only thing you can do when you ditch bulky optical drives.
  • The intergalactic baryons are too hot and too diffuse to be detected by optical telescopes.
  • Escher's bag of optical tricks to get your eyes to solve logic problems.
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Collins
World English Dictionary
optical (ˈɒptɪkəl)
 
—adj
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
 
'optically
 
—adv

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

optical
1560s, from optic.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
optical   (ŏp'tĭ-kəl)  Pronunciation Key 

  1. Relating to vision or the eyes.

  2. Relating to optics.

  3. Relating to or using visible light.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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