noun, plural pol·y·he·drons, pol·y·he·dra [pol-ee-hee-druh] /ˌpɒl iˈhi drə/.
- polyhedral angle,
Origin of polyhedron
Examples from the Web for polyhedron
The points thus obtained are evidently the vertices of a polyhedron with plane faces.
Such a polyhedron (πολύς, many, ἕδρα, base or face) is known as a crystal.
Crime, he admitted, is a very complex phenomenon; it is a sort of polyhedron, of which every one sees a special side.The Criminal|Havelock Ellis
The division of a Polyhedron ariseth from the bases upon which it standeth.The Way To Geometry|Peter Ramus
Synacral, sin-ak′ral, adj. having a common vertex, as faces of a polyhedron.
noun plural -drons or -dra (-drə)
Word Origin for polyhedron
1560s, from Latinized form of Greek polyedron, neuter of adjective polyedros "having many bases or sides," from polys "many" (see poly-) + hedra "seat, base, chair, face of a geometric solid," from PIE root *sed- (1) "to sit" (see sedentary).