+Charcoal is a lightweight, black, porous [carbon](/wiki/carbon) residue, produced by heating [wood](/wiki/wood) or other organic substances in the absence of oxygen. This ancient process removes water and volatile compounds, creating a material primarily used as [fuel](/wiki/fuel), in filtration, and as an art medium.
+## See also
+- [Pyrolysis](/wiki/pyrolysis)
+- [Biochar](/wiki/biochar)
+- [Drawing](/wiki/drawing)