chrominance

[ kroh-muh-nuhns ]

/ ˈkroʊ mə nəns /

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noun Optics.

the difference in color quality between a color and a reference color that has an equal brightness and a specified chromaticity.

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Origin of chrominance

First recorded in 1950–55; chrom- + (lum)inance

Words nearby chrominance

chromic acetate, chromic acid, chromic chloride, chromic fluoride, chromic oxide, chrominance, chromite, chromium, chromium 51, chromium dioxide, chromium steel

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

British Dictionary definitions for chrominance

chrominance

/ (ˈkrəʊmɪnəns) /

noun

the quality of light that causes the sensation of colour. It is determined by comparison with a reference source of the same brightness and of known chromaticity

the information that defines the colour (hue and saturation) of a television image, but not the brightness

Word Origin for chrominance

C20: from chromo- + luminance

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