boneblack

or bone black

[ bohn-blak ]
/ ˈboʊnˌblæk /

noun

a black, carbonaceous substance obtained by calcining bones in closed vessels, used as a black pigment, a decolorizing agent, etc.

Origin of boneblack

First recorded in 1805–15; bone + black

Words nearby boneblack

bone turquoise, bone up, bone-crushing, bone-dry, bone-marrow transplant, boneblack, boned, bonefish, bonehead, bonelet, boner

Example sentences from the Web for boneblack

British Dictionary definitions for boneblack

boneblack
/ (ˈbəʊnˌblæk) /

noun

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