• synonyms


[ey-kroh-muh-tiz-uh m]
See more synonyms for achromatism on Thesaurus.com
noun Optics.
  1. freedom from color.
  2. freedom from chromatic aberration, as in an achromatic lens.
Show More

Origin of achromatism

First recorded in 1790–1800; achromat(ic) + -ism
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for achromatism

Historical Examples

achromatism in Medicine


(ā-krōmə-tĭz′əm, ə-krō-)
  1. The quality of being achromatic.
  2. The correction of chromatic aberration by combining lenses of different refractive indexes and different dispersion.
Show More
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.