Hierarchy classification:

1. top of the aat hierarchies
2. Associated Concepts Facet
3. Associated Concepts (hierarchy name)
4. scientific concepts
5. mathematical concepts
6. geometric concepts
7. geometric figures
8. solids (geometric)

Anotations

Scope note:

A geometrical figure comprising the set of all points in three-dimensional space lying the same distance (the radius) from a given point (the center), or the result of rotating a circle about one of its diameters.