Hierarchy classification:

1. top of the aat hierarchies
2. Materials Facet
3. Materials (hierarchy name)
4. materials (substances)
5. [materials by composition]
6. organic material
7. oil (organic material)
8. [oil by composition or origin]
9. vegetable oil

Anotations

Scope note:

Black, resinous fatty by-product from the kraft paper pulping of pine wood. In addition to being an important source of rosin, tall oil is used in the manufacture of soaps, resins, greases, inks, and other materials.