achromatism
AmericanEtymology
Origin of achromatism
First recorded in 1790–1800; achromat(ic) + -ism
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The state or quality of being achromatic; as, the achromatism of a lens; achromaticity.
From Webster's Unabridged Dictionary by Webster, Noah
Most insects, when exposed for any length of time to strong light, fade or lose color, and the only way to prevent such achromatism is to exclude the light.
From Directions for Collecting and Preserving Insects by Riley, C. V.
The absence of this error is termed achromatism, and an optical system so corrected is termed achromatic.
From The Project Gutenberg Encyclopedia Volume 1 of 28 by Project Gutenberg
Thus examined, the departure of the eye from achromatism appears very gross indeed.
From Six Lectures on Light Delivered In The United States In 1872-1873 by Tyndall, John
If all three constants of reproduction be achromatized, then the Gaussian image for all distances of objects is the same for the two colours, and the system is said to be in ``stable achromatism.''
From The Project Gutenberg Encyclopedia Volume 1 of 28 by Project Gutenberg
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
