# Chromaticity

[kroh-muh-tis-i-tee] /ˌkroʊ məˈtɪs ɪ ti/

**noun**, Optics.

1.

the quality of a color as determined by its dominant wavelength and its purity.

/ˌkrəʊməˈtɪsɪtɪ/

**noun**

1.

the quality of a colour or light with reference to its purity and its dominant wavelength

Tagged: c

Read Also:

- Chromaticity coordinates
plural noun 1. (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

- 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 (http://utc.edu/~cpmawata/petersen/lesson8.htm). Eric Weisstein’s World Of Mathematics (http://mathworld.wolfram.com/ChromaticNumber.html). The Geometry Center (http://geom.umn.edu/~zarembe/grapht1.html). (2000-03-18)