Halation meaning

hā-lāshən
A blurring or spreading of light around bright areas on a photographic image.
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A glow around a bright object on a television screen.
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(photog.) An undesirable spreading or reflection of light on a negative, appearing like a halo around highlights.
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The action of light surrounding some object as if making a halo.
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The blurring of light around a bright area of a photographic image, or on a television screen.
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Origin of halation

  • hal(o) –ation

    From American Heritage Dictionary of the English Language, 5th Edition

  • From halo +‎ -ation.

    From Wiktionary