bone black


Definition of bone black

: the black residue chiefly of tribasic calcium phosphate and carbon from bones calcined in closed vessels used especially as a pigment or as a decolorizing adsorbent in sugar manufacturing

called also bone char

First Known Use of bone black

circa 1735, in the meaning defined above

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The first known use of bone black was circa 1735

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bone bed

bone black


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Cite this Entry

“Bone black.” Dictionary, Merriam-Webster, Accessed 18 Oct. 2021.

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