(botany) the alteration by photosynthesizing organisms of the proportions of their photosynthetic pigments in response to the intensity and colour of the available light, as shown by algae in the littoral zone, which change from green to red as the zone is descended
- Chromatic colour
noun 1. (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