color blindness
Americannoun
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inability to distinguish one or several chromatic colors, independent of the capacity for distinguishing light and shade.
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complete inability to distinguish colors of the spectrum, with all objects appearing as shades of gray, black, and white, varying only as to lightness and darkness; achromatopsia.
Etymology
Origin of color blindness
First recorded in 1835–45
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.
Measuring the scale of racism and racial inequality in France is complicated by its official policy of color blindness, with strict limits on data that can be collected.
From Seattle Times • Jul. 4, 2023
John Dalton was the first person to identify red-green color blindness, in 1798—that’s really quite recent.
From Scientific American • Nov. 1, 2022
Yes, males can be the carriers of red-green color blindness, as color blindness is autosomal recessive.
From Textbooks • Jun. 9, 2022
You can see him thinking through color choices, maybe even dealing with color blindness.
From Washington Post • Feb. 17, 2022
No one had ever tested us for hernia or color blindness.
From "A Separate Peace" by John Knowles
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.
