Noun colouration has 3 senses
  1. color, colour, coloration, colouration - the timbre of a musical sound; "the recording fails to capture the true color of the original music"
    --1 is a kind of timbre, timber, quality, tone
  2. coloration, colouration - appearance with regard to color; "her healthy coloration"
    --2 is a kind of color, colour, coloring, colouring
    --2 has particulars:
     hair coloring; pigmentation; depigmentation; protective coloration
  3. coloration, colouration - choice and use of colors (as by an artist)
    --3 is a kind of choice, selection, option, pick
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