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optic

Pronunciation: /ˈɒptɪk/
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Definition of optic

adjective

  • relating to the eye or vision.

noun

  • 1a lens or other optical component in an optical instrument.
  • 2 archaic or humorous the eye.
  • 3British trademark a device fastened to the neck of an inverted bottle for measuring out spirits.

Origin:

late Middle English: from French optique or medieval Latin opticus, from Greek optikos, from optos 'seen'

optic in other Oxford dictionaries

Definition of optic in the US English dictionary