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optic

[op-tik] Origin

op·tic

[op-tik]
adjective
1.
of or pertaining to the eye or sight.
noun
3.
the eye.
4.
a lens of an optical instrument.

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Optic is always a great word to know.
So is quincunx. Does it mean:
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.
a stew of meat, vegetables, potatoes, etc.

Origin:
1535–45; < Medieval Latin opticus < Greek optikós, equivalent to opt(ós) seen (verbid of ópsesthai to see) + -ikos -ic

in·ter·op·tic, adjective
non·op·tic, adjective
post·op·tic, adjective
pre·op·tic, adjective
sub·op·tic, adjective
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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World English Dictionary
optic (ˈɒptɪk)
 
adj
1.  of or relating to the eye or vision
2.  a less common word for optical
 
n
3.  an informal word for eye
 
[C16: from Medieval Latin opticus, from Greek optikos, from optos visible, seen; related to ōps eye]

Optic (ˈɒptɪk)
 
n
(Brit) trademark a device attached to an inverted bottle for dispensing measured quantities of liquid, such as whisky, gin, etc

Collins English Dictionary - Complete & Unabridged 10th Edition
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Etymonline
Word Origin & History

optic
1540s, 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
EXPAND
"science of sight and light" is from 1570s.
COLLAPSE
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

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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American Heritage
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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