Dictionary

bone black

noun

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

1815

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April 19, 2015
desiccate Hear it
to dry up or become dried up
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