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 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
A long list of indictments might indeed be brought against the eye—its opacity, its want of symmetry, its lack of achromatism, its partial blindness.
From Six Lectures on Light Delivered In The United States In 1872-1873 by Tyndall, John
Leonhard Euler in 1747 had suggested that achromatism might be obtained by the combination of glass and water lenses.
From Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 6 "Dodwell" to "Drama" by Various
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.
Newton failed to perceive the existence of media of different dispersive powers required by achromatism; consequently he constructed large reflectors instead of refractors.
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.
