Hierarchy classification:

1. top of the aat hierarchies
2. Materials Facet
3. Materials (hierarchy name)
4. materials (substances)
5. [materials by origin]
6. biological material
7. plant material
8. [wood and wood by product]
9. wood (plant material)
10. [wood by form or function]

Anotations

Scope note:

Wood treated with chemicals to cause it to turn a deep black or blackish color. Examples include wood treated with chemicals, such as vinegar or tannin; does not include wood stained with a modern, commercial blackish stain.