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Definition of "optical" []

  • Of or relating to sight; visual: an optical defect. (adjective)
  • Designed to assist sight: optical instruments. (adjective)
  • Of or relating to optics. (adjective)
  • Relating to or using visible light: optical astronomy. (adjective)
  • Using light-sensitive devices. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "optical" in a sentence
  • ": * [[optical measurement of nuclear explosions MASINT]] #optical measurement of nuclear explosions MASINT |"
  • "By providing what they call "optical depth of field", engineers will be able to deliver a wealth of information without having to design additional features, such as screens, into the car's fascia."
  • "This fellow Dell thinks the phrase optical semiconductor will be on everyone’s lips in a few years, and I pass it along here in case people betting on proteomics lose their shirts."