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grayscale

or gray scale

[grey-skeyl]
See more synonyms 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.

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