animal charcoal

American  

noun

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

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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.

From Modern Machine-Shop Practice, Volumes I and II by Rose, Joshua

Snakestone: a name given to any substance used as a remedy for snake-bites; for example, some are of chalk, some of animal charcoal, and some of vegetable substances.

From Men and Women by Porter, Charlotte Endymion

Filter through animal charcoal to remove part of the colouring matter.

From The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. by Eyre, J. W. H. (John William Henry)

Insoluble Phosphates.—These are purchased alone, chiefly in the form of coprolites and bone-ash, or the spent animal charcoal of the sugar refiners.

From Elements of Agricultural Chemistry by Anderson, Thomas

Spirit of hartshorn, oleum animale, spunge burnt to charcoal, black-snuffs of candles, which consist principally of animal charcoal, wood-soot, oil of amber.

From Zoonomia, Vol. II Or, the Laws of Organic Life by Darwin, Erasmus