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grayscale

or gray scale

[grey-skeyl]
See more synonyms for grayscale on Thesaurus.com
noun
  1. a scale of achromatic colors having several, usually ten, equal gradations ranging from white to black, used in television and photography.
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Origin of grayscale

First recorded in 1935–40
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for grayscale

Historical Examples

  • The many images of the original are inline here as grayscale graphics in PNG format, scaled to 480 or 512 pixels width.

    Line and Form (1900)

    Walter Crane

  • The numerous figures from the original are reproduced here as 16-level grayscale images in .

    Steam Turbines

    Hubert E. Collins