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Definition of "halation" [ha•la•tion]

  • A blurring or spreading of light around bright areas on a photographic image. (noun)
  • A glow around a bright object on a television screen. (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.

Use "halation" in a sentence
  • ""halation" of star photographs can be prevented by pouring over the back of the plate a film of collodion suitably stained."
  • "My favorite is the strokes of halation as the sun peeks over the top."
  • "Age tends to diminish night vision, especially the ability to distinguish contrast, and older drivers are vulnerable to what engineers call "overglow" or "halation," when letters lighted by headlights blur together."
Words like "halation"