Definition of chrominance in English:

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chrominance

Pronunciation: /ˈkrəʊmɪnəns/

noun

[mass noun]
The colorimetric difference between a given colour in a television picture and a standard colour of equal luminance.
Example sentences
  • This transform space allows luminance and chrominance to be processed separately.
  • A sequence of passes separates the luminance and chrominance information from the composite video signal and demodulates the color carrier to separate out color information.
  • The value of a blending coefficient for a pixel in the graphic is based on the luminance and chrominance characteristics of a neighborhood of pixels in the video.

Origin

1950s: from Greek khrōma 'colour', on the pattern of luminance.

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