hexahedron
/ˌhɛksəˈhiːdrən/
noun
- A solid shape with six flat faces, such as a cube.
- The artist carved a hexahedron out of marble, making sure each face was perfectly flat.
- In geometry class, we learned that a hexahedron has six faces, eight vertices, and twelve edges.
- A cube is a common type of hexahedron that you see in dice and building blocks.