animal charcoal

noun

1. carbon obtained from the carbonization of organic tissue of animals.

Example Sentences

Case hardening is a process that converts the surface of wrought iron into steel, which is accomplished by placing them in a box filled with bone dust, animal charcoal, or leather hoofs, etc.

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As a preventive, the following will be found valuable: Flour of sulphur, six pounds; animal charcoal, one pound; sulphate of iron, six ounces; cinchona pulverized, one pound.

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Second—Another grade of these natural oils which are filtered again at high temperatures and under pressure through beds of animal charcoal to improve their color.

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One turned out to be a piece of animal charcoal, another was chalk, and a third a vegetable substance like a bezoar.

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It is a form of bone oil, a product obtained in the manufacture of bone-black, or animal charcoal, by the distillation of bones.

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