optics

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English[edit]

Etymology[edit]

EB1911 - Volume 01 - Page 001 - 1.svg This entry lacks etymological information. If you are familiar with the origin of this term, please add it to the page as described here.

Noun[edit]

optics (uncountable)

  1. (physics) The physics of light and vision.
  2. The light-related aspects of a device.
    The optics of this telescope are particularly good.
    • 2013 September-October, Henry Petroski, “The Evolution of Eyeglasses”, American Scientist: 
      Digging deeper, the invention of eyeglasses is an elaboration of the more fundamental development of optics technology. The ability of a segment of a glass sphere to magnify whatever is placed before it was known around the year 1000, when the spherical segment was called a reading stone, [] .
  3. (figuratively) Perception, image, public relations.
    • 2007 January 1, Mark Steyn, "Blowing a 'hinge moment' of history", in The Jerusalem Post:
      [] I'd be interested to know whether US authorities proffered any "advice" on the optics: Ixnay on the torture dungeon, [] ; if you have to have victims' loved ones present, go for the widows and photogenic orphans rather than Moqtada's boys.
  4. plural form of optic

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