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English definition of “optic”

optic

adjective [before noun]     /ˈɒp.tɪk/ US  /ˈɑːp-/ specialized
relating to light or the eyes: a fibre optic cableEyesight, glasses and lensesUsing the eyesThe eye and surrounding areaOptics, microscopy and lasersRelating to particular parts of the body
(Definition of optic adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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