noun, plural pol·y·he·drons, pol·y·he·dra [pol-ee-hee-druh] /ˌpɒl iˈhi drə/.
Origin of polyhedron
Examples from the Web for polyhedron
Historical Examples of polyhedron
The division of a Polyhedron ariseth from the bases upon which it standeth.The Way To Geometry
"Polyhedron" is from the Greek polys (many) and hedra (seat).The Teaching of Geometry
David Eugene Smith
Such a polyhedron (πολύς, many, ἕδρα, base or face) is known as a crystal.
The points thus obtained are evidently the vertices of a polyhedron with plane faces.
Synacral, sin-ak′ral, adj. having a common vertex, as faces of a polyhedron.