#coloring__colouring  the act of of process of changing the color of something
  supertype:  change_of_color  an act that change the light that something reflects
  subtype:  tinting  the act of adding a tinge of color; "the hairdresser gave her hair a modest tinting"
  subtype:  hair_coloring  the act of dyeing or tinting one's hair
     subtype:  rinse.hair_coloring  the act of giving a light tint to the hair
  subtype:  dyeing  the use of dye to change the color of something permanently
     subtype:  staining  (histology) the use of a dye to color specimens for microscopic study
        subtype:  Gram's_method__Gram_method__Gram's_procedure__Gram's_stain  a staining technique used to classify bacteria; those that retain the gentian violet are gram-positive and those that do not retain it are gram-negative

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