Chromaticity coordinates

plural noun
(physics) three numbers used to specify a colour, each of which is equal to one of the three tristimulus values divided by their sum Symbols x, y, z


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  • Chromaticity diagram

    noun 1. (physics) a diagram in which values of two chromaticity coordinates are marked on a pair of rectangular axes, a point in the plane of these axes representing the chromaticity of any colour

  • Chromaticness

    /krəʊˈmætɪknɪs/ noun 1. (physics) the attribute of colour that involves both hue and saturation

  • Chromatic number

    mathematics The smallest number of colours necessary to colour the nodes of a graph so that no two adjacent nodes have the same colour. See also: four colour map theorem. Graph Theory Lessons ( Eric Weisstein’s World Of Mathematics ( The Geometry Center ( (2000-03-18)

  • Chromatics

    [kroh-mat-iks, kruh-] /kroʊˈmæt ɪks, krə-/ noun, (used with a singular verb) 1. the science of colors. /krəʊˈmætɪks/ noun 1. (functioning as sing) the science of colour

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