chrominance

[ kroh-muh-nuhns ]

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

Origin of chrominance

1
First recorded in 1950–55; chrom- + (lum)inance

Words Nearby chrominance

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British Dictionary definitions for chrominance

chrominance

/ (ˈkrəʊmɪnəns) /


noun
  1. 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

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

Origin of chrominance

1
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