animal charcoal

American  

noun

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

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Example Sentences

To remove the brown coloring matter, it must be treated with purified animal charcoal.

From The Art of Perfumery And Methods of Obtaining the Odors of Plants by Piesse, George William Septimus

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.

From Aviation Engines Design?Construction?Operation and Repair by Pag?, Victor Wilfred

It possesses also still a slight smell and taste of lead plaster, which may be removed by diluting it with water, and by digestion with animal charcoal, and some fresh burnt-wood charcoal.

From The Art of Perfumery And Methods of Obtaining the Odors of Plants by Piesse, George William Septimus

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

When the heavier hydrocarbons begin to come over the receiver is changed and the butyraceous distillate is filtered through a long column of well dried animal charcoal.

From Friction, Lubrication and the Lubricants in Horology by Lewis, William T.