achromatism

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English[edit]

Etymology[edit]

Compare French achromatisme.

Noun[edit]

achromatism (uncountable)

  1. The state or quality of being achromatic; achromaticity.
    the achromatism of a lens
  2. The state of being free of colors, not emitting or separating into colors.
    • 1946, Mervyn Peake, Titus Groan, London: Eyre & Spottiswoode, “Mrs Slagg by Moonlight”
      No flaming flower relieved its black achromatism although that tree had been known long ago to burst open with a three-hour glory.
  3. Achromatopia.

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