a semitropical tree, Caesalpinia bonducella, of the legume family, the decorative seeds of which are used for jewelry and rosaries.
The Life and Letters of Charles Darwin, Volume I (of II) Charles Darwin
Anatomy, Zoology. one of the structures composing the skeleton of a vertebrate. the hard connective tissue forming the substance of the skeleton of most vertebrates, composed of a collagen-rich organic matrix impregnated with calcium, phosphate, and other minerals. such a structure from an edible animal, usually with meat adhering to it, as an article of […]
a white ash obtained by calcining bones, used as a fertilizer and in the making of bone china. Historical Examples Manures and the principles of manuring Charles Morton Aikman Encyclopaedia Britannica, 11th Edition, Volume 16, Slice 3 Various The Silversmith’s Handbook George E. Gee A Textbook of Assaying: For the Use of Those Connected with […]
noun (geology) a sediment containing large quantities of fossilized animal remains, such as bones, teeth, scales, etc Historical Examples Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 2 Various
a black, carbonaceous substance obtained by calcining bones in closed vessels, used as a black pigment, a decolorizing agent, etc. Historical Examples The Philippine Agricultural Review Various 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 […]