Bōne'-blăck, n.
n. (Chem.) The black, carbonaceous substance into which bones are converted by calcination in close vessels; — called also animal charcoal. It is used as a decolorizing material and as a black pigment. Ure.
n. (Chem.) The black, carbonaceous substance into which bones are converted by calcination in close vessels; — called also animal charcoal. It is used as a decolorizing material and as a black pigment. Ure.