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optic

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Optic
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op⋅tic

  [op-tik]
–adjective
1. of or pertaining to the eye or sight.
2. optical.
–noun
3. the eye.
4. a lens of an optical instrument.
Use optic in a Sentence
Origin:
1535–45; < ML opticus < Gk optikós, equiv. to opt(ós) seen (verbid of ópsesthai to see) + -ikos -ic
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2010.
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Optic
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op·tic   (ŏp'tĭk)   
adj.  

  1. Of or relating to the eye or vision.

  2. Of or relating to the science of optics or optical equipment.

n.  

  1. An eye.

  2. Any of the lenses, prisms, or mirrors of an optical instrument.


[Middle English optik, from Old French optique, from Medieval Latin opticus, from Greek optikos, from optos, visible; see okw- in Indo-European roots.]
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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Word Origin & History

optic 
1541, from M.Fr. optique, obtique (c.1300), from M.L. opticus "of sight or seeing," from Gk. optikos "of or having to do with sight," from optos "seen, visible," from op-, root of opsesthai "be going to see," related to ops "eye," from PIE *oqw- "eye/see" (see eye). Optics "science of sight and light" is from 1579; optician is first attested 1687, after Fr. opticien.
Online Etymology Dictionary, © 2001 Douglas Harper
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Medical Dictionary

Main Entry: 1op·tic
Pronunciation: 'äp-tik
Function: adjective
1 a : of or relating to vision <optic phenomena> b : dependent chiefly on vision for orientation optic animals>
2 a : of or relating to the eye : OCULAR b : affecting the eye or an optic structure

Main Entry: 2optic
Function: noun
1 : any of the elements (as lenses, mirrors, or light guides) of an optical instrument or system —usually usedin plural
2 : an optical instrument
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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optic op·tic (ŏp'tĭk) or op·ti·cal (ŏp'tĭ-kəl)
adj.

  1. Of or relating to the eye or vision.

  2. Of or relating to the science of optics or optical equipment.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Science Dictionary
optic   (ŏp'tĭk)  Pronunciation Key 
Relating to or involving the eye or vision.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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