chromaticity

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

noun Optics.

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

Origin of chromaticity

First recorded in 1900–05; chromatic + -ity
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for chromaticity

chromaticity

/ (ˌkrəʊməˈtɪsɪtɪ) /

noun

the quality of a colour or light with reference to its purity and its dominant wavelength
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012