#dye__dyestuff  a usually soluble substance for staining or coloring e.g. fabrics or hair
  supertype:  coloring_material__colouring_material__colouringmaterial__color__colour  any material used for its color
  subtype:  acid_dye  alizarin_yellow  anil  aniline_dye  azo_dye  basic_dye  blueing  bromophenol_blue  bromothymol_blue  cochineal  cyanine_dye  direct_dye  fluorescein  fluorochrome  hair_dye  Kendal_green  lac_dye  lead_acetate  cudbear  quercitron  radiopaque_dye  Tyrian_purple.dye  vat_dye  woad.dye
  part:  chromophore  the chemical group that gives color to a molecule

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