achromatism

achromatism

English

Etymology

Compare French achromatisme.

Noun

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, 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

state or quality of being achromatic

Finnish: akromaattisuus Polish: achromatyczność (pl) f, achromatyzm (pl) m Portuguese: acromatismo m

state of being free of color

Finnish: värittömyys (fi)

achromatopia

Finnish: värisokeus (fi) French: achromatisme (fr) Interlingua: achromatismo Polish: achromatopsja‎ f, achromatyzm (pl) m Russian: ахромати́зм (ru) m (axromatízm) Spanish: acromatismo (es)

References

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