polyhedron
[ poleeheedruh n ]
/ ˌpɒl iˈhi drən /

noun, plural pol·y·he·drons, pol·y·he·dra [poleeheedruh] /ˌpɒl iˈhi drə/.
a solid figure having many faces.
Nearby words
 polygynous,
 polygyny,
 polygyria,
 polyhedral,
 polyhedral angle,
 polyhedrosis,
 polyhidrosis,
 polyhistor,
 polyhydramnios,
 polyhydric
Origin of polyhedron
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for polyhedron
polyhedron
/ (ˌpɒlɪˈhiːdrən) /
noun plural drons or dra (drə)
a solid figure consisting of four or more plane faces (all polygons), pairs of which meet along an edge, three or more edges meeting at a vertex. In a regular polyhedron all the faces are identical regular polygons making equal angles with each other. Specific polyhedrons are named according to the number of faces, such as tetrahedron, icosahedron, etc
Word Origin for polyhedron
C16: from Greek poluedron, from poly + hedron side, base
Collins English Dictionary  Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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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).
Online Etymology Dictionary, © 2010 Douglas Harper
polyhedron
[ pŏl′ēhē′drən ]
Plural polyhedrons polyhedra
A threedimensional 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.
The American Heritage® Science Dictionary
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