Charcoal (noun)

1. A black or dark grey porous material made by heating wood, bones, or other organic materials in the absence of air.
2. A medium for drawing made of powdered charcoal mixed with a gum binder.

Origin:

Late 16th century, from old french charbon "carbon", from latin carbo "charcoal, coal".

Examples:

1. He lit a fire using dry branches and charcoal.
2. The artist worked with charcoal on paper to create a series of portraits.
3. The remains of the campfire were a pile of ashes and charred charcoal.
4. The grill was hot with red coals and white ash from the charcoal.
5. The charcoal was an important fuel for cooking, heating, and industrial processes.