(physics) a formal term for colour (sense 2)
[kroh-mat-uh-siz-uh m, kruh-] /kroʊˈmæt əˌsɪz əm, krə-/ noun, Music. 1. the use of tones. 2. a style in which tones predominate.
[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
- 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