bone black

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also bone black  (bōn′blăk′)
A black pigment containing about 10 percent charcoal, made by roasting bones in an airtight container and used in polishes, as a filtering medium, and in decolorizing sugar. Also called bone charcoal.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.bone black - black substance containing char in the form of carbonized bone; used as a black pigment
char - a charred substance
References in classic literature ?
From such things as feet, knuckles, hide clippings, and sinews came such strange and unlikely products as gelatin, isinglass, and phosphorus, bone black, shoe blacking, and bone oil.
The node controller is a Beagle Bone Black connected to a communications circuit board.
Tenders are invited for Supply Of Beagle Bone Black
In order to taste the food they denied me for days in their righteous need to have me tamed, I--although their porridge and chops were like dead leaves in my mouth and their drear puddings, plaster (I'd have preferred a fistful of furor last winter's bone black with frost and green with neglect)--I cried out from the cellar and up through the floor boards as best I could: