Fusain
Part of speech: noun
Definition: Fine charcoal of willow wood, used as a drawing implement. A drawing made with it.
Charcoal
Part of speech: noun
Definition: Impure carbon obtained by heating wood or other organic matter in the absence of oxygen.A stick of black carbon material used for drawing.A drawing made with charcoal.A very dark gray colour.
Part of speech: adjective
Definition: of a dark gray colour.
Example sentence: I prefer lump charcoal over briquettes but I do use both for different reasons and different recipes and sometimes I combine them both when I really want the woodsy aroma from the lump charcoal and long, even heat from the briquettes.