achromatism

English

Etymology

Compare French achromatisme.

Noun

achromatism (uncountable)

2. (optics) The state or quality of being achromatic; achromaticity.

   the achromatism of a lens

3. 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.

4. 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 (pl) f, achromatyzm (pl) m
• Russian: ахромати́зм (ru) m (axromatízm)
• Spanish: acromatismo (es)

References

• “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