Definitions for opticˈɒp tɪk

Random House Webster's College Dictionary

op•ticˈɒp tɪk(adj.)

of or pertaining to the eye or sight.
(n.)Usu.optics, the eye.
Category: Common Vocabulary
a lens of an optical instrument.
Category: Optics

Origin of optic:

1535–45; < ML opticus < Gk optikós, der. of opt(ós) seen, v. adj. of ópsesthai to see

Princeton's WordNet

eye, oculus, optic(adj)
the organ of sight
ocular, optic, optical, opthalmic(adj)
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, optic, optical, visual(adj)
relating to or using sight
"ocular inspection"; "an optical illusion"; "visual powers"; "visual navigation"

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.

Translations for optic

Kernerman English Multilingual Dictionary

optical(adjective)

of or concerning sight or what one sees

The two objects in the picture appear to be the same size, but this is just an optical illusion (= they are not actually the same size); microscopes and other optical instruments.