achromatism

English

Etymology

Compare French achromatisme.

Noun

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.

Translations

References
  • achromatism in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.
  • Dorland's Pocket Medical Dictionary, 22nd edition, W. B. Saunders, 1977
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