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...

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..

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

Ganoidei :: Ganoidei (n. pl.) One of the subclasses of fishes. They have an arterial cone and bulb, spiral intestinal valve, and the optic nerves united by a chiasma. Many of the species are covered with bony plates, or with ganoid scales; others have cycloid scales..

Power :: Power (n.) The degree to which a lens, mirror, or any optical instrument, magnifies; in the telescope, and usually in the microscope, the number of times it multiplies, or augments, the apparent diameter of an object; sometimes, in microscopes, the number of times it multiplies the apparent surface..

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An optical instrument or toy for showing the presistence of an impression upon the eyes after the luminous object is withdrawn.

Optical :: Optical (a.) Of or pertaining to vision or sight.

Eyepiece :: Eyepiece (n.) The lens, or combination of lenses, at the eye end of a telescope or other optical instrument, through which the image formed by the mirror or object glass is viewed..

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..

Inactive :: Inactive (a.) Not active; inert; esp., not exhibiting any action or activity on polarized light; optically neutral; -- said of isomeric forms of certain substances, in distinction from other forms which are optically active; as, racemic acid is an inactive tartaric acid..

Graphoscope :: Graphoscope (n.) An optical instrument for magnifying engravings, photographs, etc., usually having one large lens and two smaller ones..

Abba :: Abba (n.) Father; religious superior; -- in the Syriac, Coptic, and Ethiopic churches, a title given to the bishops, and by the bishops to the patriarch..

Definition :: Definition (n.) Distinctness or clearness, as of an image formed by an optical instrument; precision in detail..

#NAME? :: Subvaginal (a.) Situated under or inside a sheath or vaginal membrane; as, the subvaginal, or subdural, spaces about the optic nerve..

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

Perspectively :: Perspectively (adv.) Optically; as through a glass.

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

Sclerotal :: Sclerotal (n.) The optic capsule; the sclerotic coat of the eye.

Synoptist :: Synoptic (n.) One of the first three Gospels of the New Testament. See Synoptist.

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

Uniaxial :: Uniaxial (a.) Having but one optic axis, or line of no double refraction..

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