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optical

 - 4 dictionary results

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, esp. eyeglasses: an optical service.
6. dealing with or skilled in optics.
–noun
7. opticals. optical effects.

Origin:
1560–70; optic + -al 1


op⋅ti⋅cal⋅ly, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To optical
op·ti·cal   (ŏp'tĭ-kəl)   
adj.  
  1. Of or relating to sight; visual: an optical defect.

  2. Designed to assist sight: optical instruments.

  3. Of or relating to optics.

  4. Relating to or using visible light: optical astronomy.

  5. Using light-sensitive devices.

op'ti·cal·ly adv.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: op·ti·cal
Pronunciation: 'äp-ti-k&l
Function: adjective
1 : of or relating to the science of optics
2a : of or relating to vision : VISUAL b : using the properties of light to aid visionoptical instrument>
3 : of, relating to, or utilizing light optical emission> optical telescope> <opticalmicroscopy>
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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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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