noun
- plural of polyhedron; three-dimensional geometric shapes with flat faces, straight edges, and sharp vertices
Usage: mathematics; geometry
Examples
- The students studied various polyhedra including cubes, pyramids, and prisms.
- Crystals often form natural polyhedra with symmetrical faces.
- The architect designed a building inspired by complex polyhedra.
- In geometry class, we learned to calculate the volume of different polyhedra.
- The museum displayed models of regular polyhedra known as Platonic solids.
- Scientists use polyhedra to model molecular structures in chemistry.