Polytope
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A polytope is a generalization of a polyhedron to more than three dimensions.
Polytope is a high school-level concept that would be first encountered in a geometry course covering high-dimensional solids.
Examples
| Hypercube: | A hypercube is a generalization of a cube to more than three dimensions. |
| Polyhedron: | A polyhedron is a three-dimensional solid that consists of a collection of polygons, joined at their edges. |
| Tetrahedron: | (1) A general tetrahedron is any polyhedron having four faces. (2) The regular tetrahedron is the Platonic solid comprised of four equilateral triangles, four vertices, and six edges. |