Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of optic is as below...

Entoptic :: Entoptic (a.) Relating to objects situated within the eye; esp., relating to the perception of objects in one's own eye..

Shank :: Shank (v.) Flat-nosed pliers, used by opticians for nipping off the edges of pieces of glass to make them round..

Omphaloptic :: Omphaloptic (n.) An optical glass that is convex on both sides.

Thaumatrope :: Thaumatrope (n.) An optical instrument or toy for showing the presistence of an impression upon the eyes after the luminous object is withdrawn.

Asterism :: Asterism (n.) An optical property of some crystals which exhibit a star-shaped by reflected light, as star sapphire, or by transmitted light, as some mica..

Staurotide :: Stauroscope (n.) An optical instrument used in determining the position of the planes of light-vibration in sections of crystals.

Illuminator :: Illuminator (v. t.) A condenser or reflector of light in optical apparatus; also, an illuminant..

Enorthotrope :: Enorthotrope (n.) An optical toy; a card on which confused or imperfect figures are drawn, but which form to the eye regular figures when the card is rapidly revolved. See Thaumatrope..

Optic :: Optic (a.) The organ of sight; an eye.

Amaurosis :: Amaurosis (n.) A loss or decay of sight, from loss of power in the optic nerve, without any perceptible external change in the eye; -- called also gutta serena, the drop serene of Milton..

Heteroptics :: Heteroptics (n.) False optics.

Autoptic :: Autoptic (a.) Alt. of Autoptica.

Optically :: Optically (adv.) By optics or sight; with reference to optics.

Dioptrics :: Dioptrics (n.) The science of the refraction of light; that part of geometrical optics which treats of the laws of the refraction of light in passing from one medium into another, or through different mediums, as air, water, or glass, and esp. through different lenses; -- distinguished from catoptrics, which refers to reflected light..

Coptic :: Coptic (n.) The language of the Copts.

Optic :: Optic (a.) Alt. of Optica.

Scoptical :: Scoptical (a.) Jesting; jeering; scoffing.

Catoptrics :: Catoptrics (n.) That part of optics which explains the properties and phenomena of reflected light, and particularly that which is reflected from mirrors or polished bodies; -- formerly called anacamptics..

Flint Glass :: Flint glass () A soft, heavy, brilliant glass, consisting essentially of a silicate of lead and potassium. It is used for tableware, and for optical instruments, as prisms, its density giving a high degree of dispersive power; -- so called, because formerly the silica was obtained from pulverized flints. Called also crystal glass. Cf. Glass..

Thalamus :: Thalamus (n.) A mass of nervous matter on either side of the third ventricle of the brain; -- called also optic thalamus.

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