Optic \Op"tic\ ([o^]p"t[i^]k), n. [From Optic, a.]
1. The organ of sight; an eye.
[1913 Webster]
The difference is as great between
The optics seeing, as the object seen. --Pope.
[1913 Webster]
2. An eyeglass. [Obs.] --Herbert.
[1913 Webster] Optic
The Collaborative International Dictionary of English v.0.48
Optic \Op"tic\ ([o^]p"t[i^]k), Optical \Op"tic*al\
([o^]p"t[i^]*kal), a. [F. optique, Gr. 'optiko`s; akin to
'o`psis sight, 'o`pwpa I have seen, 'o`psomai I shall see,
and to 'o`sse the two eyes, 'o`ps face, L. oculus eye. See
Ocular, Eye, and cf. Canopy, Ophthalmia.]
1. Of, pertaining to, or using vision or sight; as, optical
illusions. [WordNet sense 2]
Syn: ocular, optic, visual.
[1913 Webster + WordNet 1.5]
The moon, whose orb
Through optic glass the Tuscan artist views.
--Milton.
[1913 Webster]
2. Of or pertaining to the eye; ocular; as, the optic nerves
(the first pair of cranial nerves) which are distributed
to the retina; the optic (or optical) axis of the eye. See
Illust. of Brain, and Eye. [WordNet sense 3]
[1913 Webster]
3. Relating to the science of optics or to devices designed
to assist vision; as, optical works; optical equipment.
[WordNet sense 1]
[1913 Webster +PJC]
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.
[1913 Webster]
The Collaborative International Dictionary of English v.0.48
optic
adj 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, optical, opthalmic]
2: relating to or using sight; "ocular inspection"; "an optical
illusion"; "visual powers"; "visual navigation" [syn: ocular,
optical, visual]
n : the organ of sight [syn: eye, oculus]
WordNet (r) 2.0
36 Moby Thesaurus words for "optic":
baby blues, banjo eyes, bright eyes, clear eyes, cornea, eye,
eyeball, eyelid, goggle eyes, iris, lens, lid, naked eye,
nictitating membrane, ocular, oculus, ophthalmic, ophthalmologic,
optic nerve, optical, optometrical, orb, organ of vision, peeper,
popeyes, pupil, retina, saucer eyes, sclera, seeing, starry orbs,
unaided eye, visible, visional, visual, visual organ
Moby Thesaurus II by Grady Ward, 1.0
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