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optic
8 dictionary results for: optic
Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This
op·tic 
[op-tik] Pronunciation Key
[op-tik] Pronunciation Key –adjective
–noun
| 1. | of or pertaining to the eye or sight. |
| 2. | optical. |
| 3. | the eye. |
| 4. | a lens of an optical instrument. |
[Origin: 1535–45; < ML opticus < Gk optikós, equiv. to opt(ós) seen (verbid of ópsesthai to see) + -ikos -ic]
]
Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.
American Heritage Dictionary - Cite This Source - Share This
| op·tic
(ŏp'tĭk) Pronunciation Key
adj.
n.
[Middle English optik, from Old French optique, from Medieval Latin opticus, from Greek optikos, from optos, visible; see okw- in Indo-European roots.] |
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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Online Etymology Dictionary - Cite This Source - Share This
optic
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
WordNet - Cite This Source - Share This
| optic | |
adjective | |
| 1. | of or relating to or resembling the eye; "ocular muscles"; "an ocular organ"; "ocular diseases"; "the optic (or optical) axis of the eye"; "an ocular spot is a pigmented organ or part believed to be sensitive to light" [syn: ocular] |
| 2. | relating to or using sight; "ocular inspection"; "an optical illusion"; "visual powers"; "visual navigation" [syn: ocular] |
noun | |
| 1. | the organ of sight [syn: eye] |
WordNet® 3.0, © 2006 by Princeton University.
The American Heritage Science Dictionary - Cite This Source - Share This
| optic
(ŏp'tĭk) Pronunciation Key
Relating to or involving the eye or vision.
|
The American Heritage® Science Dictionary
Copyright © 2002 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Copyright © 2002 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
American Heritage Stedman's Medical Dictionary - Cite This Source - Share This
optic op·tic (ŏp'tĭk) or op·ti·cal (ŏp'tĭ-kəl)
adj.
- Of or relating to the eye or vision.
- 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.
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Webster's Revised Unabridged Dictionary - Cite This Source - Share This
Optic
Op"tic\, n. [From Optic, a.]1. The organ of sight; an eye. The difference is as great between The optics seeing, as the object seen. --Pope. 2. An eyeglass. [Obs.] --Herbert.
Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
Webster's Revised Unabridged Dictionary - Cite This Source - Share This
Optic
Op"tic\, Optical \Op"tic*al\, a. [F. optique, Gr. ?; akin to ? sight, ? I have seen, ? I shall see, and to ? the two eyes, ? face, L. oculus eye. See Ocular, Eye, and cf. Canopy, Ophthalmia.]1. Of or pertaining to vision or sight. The moon, whose orb Through optic glass the Tuscan artist views. --Milton. 2. Of or pertaining to the eye; ocular; as, the optic nerves (the first pair of cranial nerves) which are distributed to the retina. See Illust. of Brain, and Eye. 3. Relating to the science of optics; as, optical works. Optic angle (Opt.), the angle included between the optic axes of the two eyes when directed to the same point; -- sometimes called binocular parallax. Optic axis. (Opt.) (a) A line drawn through the center of the eye perpendicular to its anterior and posterior surfaces. In a normal eye it is in the direction of the optic axis that objects are most distinctly seen. (b) The line in a doubly refracting crystal, in the direction of which no double refraction occurs. A uniaxial crystal has one such line, a biaxial crystal has two. Optical circle (Opt.), a graduated circle used for the measurement of angles in optical experiments. Optical square, a surveyor's instrument with reflectors for laying off right angles.
Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
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