regular polyhedron A polyhedron in which every face is regular and every vertex figure is regular. Usually there are considered to be nine regular polyhedra: the five Platonic solids and the four Kepler-Poinsot solids. However, others are sometimes allowed, depending on the definition of polyhedron. Related category SOLIDS AND SURFACES Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) |