Polyhedron Definition
pŏlē-hēdrən
polyhedra, polyhedrons
noun
A solid bounded by polygons.
American Heritage
A solid figure with usually more than six plane surfaces.
Webster's New World
(optics) A polyscope, or multiplying glass.
Wiktionary
other
Hyponyms.
Wiktionary
See also polyhedron.
Wiktionary
A three-dimensional geometric figure whose sides are polygons. A tetrahedron, for example, is a polyhedron having four triangular sides. &diamf3; 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.
American Heritage Science
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Other Word Forms of Polyhedron
Noun
Singular:
polyhedron
Plural:
polyhedra, polyhedronsOrigin of Polyhedron
From New Latin, from Ancient Greek πολύεδρον (poluedron), from πολύς (polus, “many") + ἕδρα (hedra, “seat"); compare French polyèdre.
From Wiktionary
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