op·tics

[op-tiks]
noun ( used with a singular verb )
the branch of physical science that deals with the properties and phenomena of both visible and invisible light and with vision.

Origin:
1605–15; < Medieval Latin optica < Greek optiká, noun use of neuter plural of optikós; see optic, -ics

Dictionary.com Unabridged

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.

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
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source Link To optics
00:10
Optics is always a great word to know.
So is ort. Does it mean:
an extraordinary or unusual thing, person, or event; an exceptional example or instance.
a scrap or morsel of food left at a meal.
Collins
World English Dictionary
optic (ˈɒptɪk) [Click for IPA pronunciation guide]
 
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) [Click for IPA pronunciation guide]
 
n
(Brit) trademark a device attached to an inverted bottle for dispensing measured quantities of liquid, such as whisky, gin, etc

optics (ˈɒptɪks) [Click for IPA pronunciation guide]
 
n
(functioning as singular) the branch of science concerned with vision and the generation, nature, propagation, and behaviour of electromagnetic light

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
"science of sight and light" is from 1570s.
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.

optics op·tics (ŏp'tĭks)
n.
The science concerned with the properties of light, its refraction and absorption, and the refracting media of the eye.

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.
optics   (ŏp'tĭks)  Pronunciation Key 
The scientific study of light and vision. The study of optics led to the development of more general theories of electromagnetic radiation and theories of color.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
Cultural Dictionary

optics definition


The branch of physics dealing with light. (See electromagnetic waves, laser, lens, reflection, and refraction.)

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Example sentences
Trained as a physicist, he spent several years studying fiber optics and how
  light beams can guide their own path.
Humans are, after all, increasingly using fibre optics to talk to each other.
We can relate in modernist terms to his sense of formal rigor and his taste for
  the science of optics.
The whole country has been linked with fiber optics long time ago.
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