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gray scale

a scale of achromatic colors having several, usually ten, equal gradations ranging from white to black, used in television and photography.
Origin of gray scale
1935-40 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for gray scale
  • Kodak gray scale in the image, adjust the scanner settings using the image of the gray scale to meet the above requirements.
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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