Definition of pentahedron in English:
noun (plural pentahedrons or pentahedra-drə)
A solid figure with five plane faces.
- Whereas the tetrahedron is composed of four triangles, the pyramid (or pentahedron), which looks a lot like it, is composed of four triangles and a square - the base.
- You can also have an Egyptian pentahedron square-base pyramid.
- Then the pyramids are cut by silhouettes into a set of pentahedrons, which together constitute the centripetal pentahedron model of the visual hull.
Definition of pentahedron in:
- British & World English dictionary
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