chrominancePronunciation: /ˈkrəʊmɪnəns/Definition of chrominance noun [mass noun] the colorimetric difference between a given colour in a television picture and a standard colour of equal luminance. Origin: 1950s: from Greek khrōma 'colour', on the pattern of luminancechrominance in other Oxford dictionaries Definition of chrominance in the US English dictionary
