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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.
Origin
1900-1905
1900-05; chromatic + -ity
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for chromaticity

chromaticity

/ˌkrəʊməˈtɪsɪtɪ/
noun
1.
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
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