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...

Catoptron :: Catoptron (n.) A reflecting optical glass or instrument; a mirror.

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

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..

Aperture :: Aperture (n.) The diameter of the exposed part of the object glass of a telescope or other optical instrument; as, a telescope of four-inch aperture..

Spectacle :: Spectacle (n.) An optical instrument consisting of two lenses set in a light frame, and worn to assist sight, to obviate some defect in the organs of vision, or to shield the eyes from bright light..

Optocoelia :: Optocoelia (n.) The cavity of one of the optic lobes of the brain in many animals.

Scioptic :: Scioptic (a.) Of or pertaining to an optical arrangement for forming images in a darkened room, usually called scioptic ball..

Anorthoscope :: Anorthoscope (n.) An optical toy for producing amusing figures or pictures by means of two revolving disks, on one of which distorted figures are painted..

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..

Optician :: Optician (a.) One who deals in optical glasses and instruments.

Phoneidoscope :: Phoneidoscope (n.) An instrument for studying the motions of sounding bodies by optical means. It consists of a tube across the end of which is stretched a film of soap solution thin enough to give colored bands, the form and position of which are affected by sonorous vibrations..

Hypoarion :: Hypoarion (n.) An oval lobe beneath each of the optic lobes in many fishes; one of the inferior lobes.

Optic :: Optic (a.) An eyeglass.

Bisectrix :: Bisectrix (n.) The line bisecting the angle between the optic axes of a biaxial crystal.

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

Scioptric :: Scioptric (a.) Scioptic.

Photology :: Photology (n.) The doctrine or science of light, explaining its nature and phenomena; optics..

Ocular :: Ocular (n.) The eyepiece of an optical instrument, as of a telescope or microscope..

Haikal :: Haikal (n.) The central chapel of the three forming the sanctuary of a Coptic church. It contains the high altar, and is usually closed by an embroidered curtain..

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..

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