Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Of or relating to sight; visual.
  • adjective Designed to assist sight.
  • adjective Of or relating to optics.
  • adjective Relating to or using visible light.
  • adjective Using light-sensitive devices.

from The Century Dictionary.

  • Relating to or connected with the science of optics; based on or constructed in accordance with the laws of optics: as, optical laws; optical instruments.
  • Pertaining to vision; optic.
  • Treating of or studying optics: as, optical writers.
  • Synonyms See optic.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective Of, or relating to sight; visual
  • adjective Designed to assist or enhance sight
  • adjective Of, or relating to optics
  • adjective Of, or relating to visible light
  • adjective Incorporating light-sensitive devices

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adjective of or relating to or involving light or optics
  • adjective of or relating to or resembling the eye
  • adjective relating to or using sight

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

optic +‎ -al

Examples

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