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Definition of "opacity" []

  • The quality or state of being opaque. (noun)
  • Something opaque. (noun)
  • Obscurity; impenetrability. (noun)
  • Dullness of mind. (noun)
  • The state or quality of being opaque (noun)

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.

  • The degree to which something is opaque (noun)
  • An opaque object or substance (noun)
  • Obscurity of meaning; unintelligibility (noun)
  • The ratio of the intensity of light incident on a medium, such as a photographic film, to that transmitted through the medium (noun)
  • The property of being an opaque context (noun)

www.Collinsdictionary.com (c) HarperCollins Publishers Ltd 2016

Use "opacity" in a sentence
  • "That slight opacity translates into more visual impact for visitors once they step inside."
  • "But as its opacity is a double edged sword, it is also much more susceptible to rent seeking as is evidenced in the form of the proposed Waxmen-Markey bill whereby 85% of the emissions permits would be allocated as opposed to auctioned off."
  • "Our President believes in opacity, works in secret, tells us nothing, and when we see the photo ops, its only corporate and banking power sitting with him at the table."