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单词 greyscale
释义

> as lemmas

greyscale
greyscale n. and adj. (a) n. (now esp. with reference to digital images) a graded series of grey tints or tones extending from black or dark grey to white or light grey; (also) an individual tint or tone in such a series; (b) adj. of, relating to, or composed of such tints or tones.
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the world > matter > colour > science of colour > [noun] > scale of colours
Newton's scale1816
chromatometer1835
scale1854
greyscale1857
1857 J. Ruskin Elements Drawing i. 42 The grey in the compartment of the grey scale marked with the same number is the grey which must represent that crimson or blue in your light and shade drawing.
1948 Pop. Photogr. Jan. 184/1 (advt.) Gives illuminated, direct readings—without grey scales or test strips.
1961 G. Millerson Technique Television Production iii. 45 (caption) Sample paint-cards and materials are compared on camera with a standard grey-scale chart.
1994 What PC? Oct. 17/3 It comes with a sheet feeder, 300dpi resolution and 256 greyscales.
2010 Dunoon Observer & Argyllshire Standard 30 July 5/5 The greyscale or black and white printed image lets you know where all the shadows and highlights are.
extracted from greygrayadj.n.
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