Polyhedral
[pol-ee-hee-druh l] /ˌpɒl iˈhi drəl/
adjective
1.
of, relating to, or having the shape of a .
adj.
1741, from polyhedron + -al (1).
polyhedron
(pŏl’ē-hē’drən)
Plural polyhedrons or polyhedra
A three-dimensional geometric figure whose sides are polygons. A tetrahedron, for example, is a polyhedron having four triangular sides. ◇ A regular polyhedron is a polyhedron whose faces are all congruent regular polygons. The regular tetrahedron (pyramid), hexahedron (cube), octahedron, dodecahedron, and icosahedron are the five regular polyhedrons. Regular polyhedrons are a type of Archimedean solid.
polyhedral adjective
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