Charcoal

Webster's Dictionary of the English Language

·vt Finely prepared charcoal in small sticks, used as a drawing implement.

II. Charcoal ·vt Impure carbon prepared from vegetable or animal substances; ·esp., coal made by charring wood in a kiln, retort, ·etc., from which air is excluded. It is used for fuel and in various mechanical, artistic, and chemical processes.