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...

Glass :: Glass (v. t.) An optical glass; a lens; a spyglass; -- in the plural, spectacles; as, a pair of glasses; he wears glasses..

Telescope :: Telescope (n.) An optical instrument used in viewing distant objects, as the heavenly bodies..

Autoptical :: Autoptical (a.) Seen with one's own eyes; belonging to, or connected with, personal observation; as, autoptic testimony or experience..

Optical :: Optical (a.) Relating to the science of optics; as, optical works..

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..

Inactose :: Inactose (n.) A variety of sugar, found in certain plants. It is optically inactive..

Sextant :: Sextant (n.) An instrument for measuring angular distances between objects, -- used esp. at sea, for ascertaining the latitude and longitude. It is constructed on the same optical principle as Hadley's quadrant, but usually of metal, with a nicer graduation, telescopic sight, and its arc the sixth, and sometimes the third, part of a circle. See Quadrant..

Chromascope :: Chromascope (n.) An instrument for showing the optical effects of color.

Sciopticon :: Sciopticon (n.) A kind of magic lantern.

Panopticon :: Panopticon (n.) A prison so contructed that the inspector can see each of the prisoners at all times, without being seen..

Phantasm :: Phantasm (n.) An image formed by the mind, and supposed to be real or material; a shadowy or airy appearance; sometimes, an optical illusion; a phantom; a dream..

Perspicil :: Perspicil (n.) An optical glass; a telescope.

Define :: Define (v. t.) To determine with precision; to mark out with distinctness; to ascertain or exhibit clearly; as, the defining power of an optical instrument..

Strockle :: Stroboscope (n.) An optical toy similar to the phenakistoscope. See Phenakistoscope.

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..

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..

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

Field :: Field (n.) The space covered by an optical instrument at one view.

Perspective :: Perspective (n.) Of or pertaining to the science of vision; optical.

Scioptric :: Scioptric (a.) Scioptic.

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