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.
He will find that he has not given exactly the proper curves to secure achromatism.
From Side-Lights on Astronomy and Kindred Fields of Popular Science by Newcomb, Simon
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
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 perfect achromatism of a reflector is, of course, a great advantage, but the chromatic aberration of refractors is now so well corrected that their inferiority in that respect may be disregarded.
From Pleasures of the telescope An Illustrated Guide for Amateur Astronomers and a Popular Description of the Chief Wonders of the Heavens for General Readers by Serviss, Garrett Putman
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.
