Boneblack (noun) Definition, Meaning & Examples

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noun
  1. a black, carbonaceous substance obtained by calcining bones in closed vessels, used as a black pigment, a decolorizing agent, etc.
noun
  1. a black residue from the destructive distillation of bones, containing about 10 per cent carbon and 80 per cent calcium phosphate, used as a decolorizing agent and pigment
Boneblack (noun) Definition, Meaning & Examples

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