英和和英

名詞

achromatism (uncountable)

1. (optics) 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, “Mrs Slagg by Moonlight”, in Titus Groan, London: Eyre & Spottiswoode:

     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.

参照

• “achromatism”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.
• Dorland's Pocket Medical Dictionary, 22nd edition, W. B. Saunders, 1977