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grayscale

or gray scale

[grey-skeyl] /ˈgreɪˌskeɪl/
noun
1.
a scale of achromatic colors having several, usually ten, equal gradations ranging from white to black, used in television and photography.
Origin of grayscale
1935-1940
First recorded in 1935-40
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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gray scale in Medicine

gray scale n.
Gray-scale ultrasonography.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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8
8
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