Hierarchy classification:

1. top of the aat hierarchies
2. Materials Facet
3. Materials (hierarchy name)
4. materials (substances)
5. [materials by function]
6. colorant (material)
7. pigments
8. [pigment by color]
9. brown pigment
10. organic brown pigment

Anotations

Scope note:

Brown pigment made from boiling the soot of wood. Because bister is transparent, it is frequently used in conjunction with pen and ink drawings as a wash. It is particularly common in drawings of the 17th and 18th centuries.