Definition of optic Optic
/ɑˈptɪk/ - [aptik] - op•tic
We found 13 definitions of optic from 5 different sources.
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What does optic mean?
WordNet
Adjective |
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| optic - relating to or using sight; "ocular inspection"; "an optical illusion"; "visual powers"; "visual navigation" | ||
| ocular, optical, visual | ||
| 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" | ||
| ocular, optical, opthalmic | ||
Noun |
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| optic - the organ of sight | ||
| eye, oculus | ||
| sense organ, sensory receptor, receptor an organ having nerve endings (in the skin or viscera or eye or ear or nose or mouth) that respond to stimulation | ||
| visual system the sensory system for vision | ||
| human face, face a vertical surface of a building or cliff | ||
| colloquialism a colloquial expression; characteristic of spoken or written communication that seeks to imitate informal speech | ||
| naked eye the eye unaided by any optical instrument that alters the power of vision or alters the apparent size or distance of objects; "it is not safe to look directly at the sun with the naked eye" | ||
| peeper an animal that makes short high-pitched sounds | ||
| oculus dexter, od the right eye | ||
| oculus sinister, os the left eye | ||
| simple eye, ocellus, stemma an eye having a single lens | ||
| compound eye in insects and some crustaceans: composed of many light-sensitive elements each forming a portion of an image | ||
| choroid, choroid coat a highly vascular membrane in the eye between the retina and the sclera; a dark pigmentation minimizes the scattering of light inside the eye | ||
| ciliary body the part of the tunic of the eye between the choroid coat and the iris; "the ciliary body produces aqueous humor" | ||
| eyelid, palpebra, lid either of two folds of skin that can be moved to cover or open the eye; "his lids would stay open no longer" | ||
| canthus either of the corners of the eye where the upper and lower eyelids meet | ||
| epicanthic fold, epicanthus a vertical fold of skin over the nasal canthus; normal for Mongolian peoples; sometimes occurs in Down's syndrome | ||
| nictitating membrane, third eyelid a protective fold of skin in the eyes of reptiles and birds and some mammals | ||
| conjunctiva a transparent lubricating mucous membrane that covers the eyeball and the under surface of the eyelid | ||
| eyeball, orb the ball-shaped capsule containing the vertebrate eye | ||
| eye muscle, ocular muscle one of the small muscles of the eye that serve to rotate the eyeball | ||
| cornea the transparent dome-shaped anterior portion of the outer covering of the eye; it covers the iris and pupil and is continuous with the sclera | ||
| uvea the part of the eye that contains the iris and ciliary body and choroid | ||
| uveoscleral pathway a tubule that drains excess aqueous humor | ||
| iris diaphragm consisting of thin overlapping plates that can be adjusted to change the diameter of a central opening | ||
| crystalline lens, lens of the eye, lens a transparent optical device used to converge or diverge transmitted light and to form images | ||
| arteria centralis retinae, central artery of the retina a branch of the ophthalmic artery; enters the eyeball with the optic nerve | ||
| arteria ciliaris, ciliary artery one of several arteries supplying the choroid coat of the eye | ||
| arteria lacrimalis, lacrimal artery an artery that originates from the ophthalmic artery and supplies the lacrimal gland and rectal eye muscles and the upper eyelid and the forehead | ||
| lacrimal vein, vena lacrimalis drains the lacrimal gland; empties into the superior ophthalmic vein | ||
| lacrimal apparatus the structures that secrete and drain tears from the eye | ||
| retina the innermost light-sensitive membrane covering the back wall of the eyeball; it is continuous with the optic nerve | ||
| sclera, sclerotic coat the whitish fibrous membrane (albuginea) that with the cornea forms the outer covering and protection of the eyeball | ||
| musculus sphincter pupillae, pupillary sphincter a ring of smooth muscle surrounding the iris | ||
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Wiktionary 
- optic (Noun)
An eye. - optic (Noun)
A lens or other part of an optical instrument that interacts with light. - optic (Noun)
A measuring device with a small window, attached to an upside-down bottle, used to dispense alcoholic drinks in a bar. - optic (Adjective)
Of, or relating to the eye or to vision. - optic (Adjective)
Of, or relating to optics or optical instruments.
Webster DictionaryWebster's Unabridged Dictionary 📘
- optic (a.)
The organ of sight; an eye. - optic (a.)
An eyeglass. - optic (a.)
Alt. of Optical
Chambers DictionaryChamber's 20th Century Dictionary 📕
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optic
-al, op′tik, -al, adj. relating to sight, or to optics.—n. Op′tic (Pope), an organ of sight: an eye.—adv. Op′tically.—ns. Optic′ian, one skilled in optics: one who makes or sells optical instruments; Op′tics (sing.), the science of the nature and laws of vision and light; Optim′eter, Optom′eter, an instrument for measuring the refractive powers of the eye; Optom′etry, the measurement of the visual powers.—Optic axis, the axis of the eye—that is, a line going through the middle of the pupil and the centre of the eye. [Fr. optique—Gr. optikos.]
Part of speech
🔤- optic, noun, singular of optics.
- optic, adjective.
Pronunciation
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