noun
- plural of pentahedron; three-dimensional geometric shapes with five faces
Usage: geometry; mathematics
Examples
- The students studied various pentahedra in their geometry class.
- Pentahedra are less common than cubes or pyramids in basic mathematics.
- The architect designed a building featuring pentahedra as decorative elements.
- In crystallography, some minerals form pentahedra structures.
- The math teacher displayed models of different pentahedra on her desk.
- Computer graphics programs can render complex pentahedra with ease.