Word:

Optic

Op´tic   Pronunciation: ǒp´tĭk
n.1.The organ of sight; an eye.
2.An eyeglass.
a.1.Of, pertaining to, or using vision or sight; as, optical illusions.
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.
3.Relating to the science of optics or to devices designed to assist vision; as, optical works; optical equipment.
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
a - (Opt.) 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.
Noun1.optic - the organ of sight
Synonyms: eye, oculus
Adj.1.optic - 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"
2.optic - relating to or using sight; "ocular inspection"; "an optical illusion"; "visual powers"; "visual navigation"
Synonyms: optical, visual, ocular
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
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Opsiometer
Opsonation
opsonin
opsonisation
opsonization
opsonize
opt
opt out
Optable
Optate
Optation
Optative
optative mood
Optatively
Optez
opthalmic
-- Optic --
Optic angle
optic axis
Optic axis of a crystal
optic chiasm
optic chiasma
optic cup
optic disc
optic disk
optic nerve
optic tract
optical
optical aberration
optical activity
optical bench
optical cable
Optical Carrier 12
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