Look up polyhedron in Wiktionary, the free dictionary.
A polyhedron is a solid in three dimensions with flat polygonal faces, straight edges and sharp corners or vertices.
A generalization of this concept to higher dimensional space is called an n-dimensional polyhedron.
Polyhedron may also refer to:
- Polyhedron (magazine), formerly Polyhedron Newszine, a former magazine targeting consumers of role-playing games
- Polyhedron (journal), a scientific journal covering the field of inorganic chemistry