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单词 chroma
释义

WordReference Random House Unabridged Dictionary of American English © 2024
chro•ma  (krō′mə),USA pronunciation n. 
  1. Opticsthe purity of a color, or its freedom from white or gray.
  2. Opticsintensity of distinctive hue;
    saturation of a color.
  • Greek chrôma color
  • 1885–90

Collins Concise English Dictionary © HarperCollins Publishers::
chroma /ˈkrəʊmə/ n
  1. the attribute of a colour that enables an observer to judge how much chromatic colour it contains irrespective of achromatic colour present
    See also saturation
  2. (in colour television) the colour component in a composite coded signal
Etymology: 19th Century: from Greek khrōma colour
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更新时间：2025/7/23 6:14:31