Polyhedron meaning

pŏlē-hēdrən
polyhedra polyhedrons
See word origin
Frequency:
(optics) A polyscope, or multiplying glass.
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Hyponyms.
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See also polyhedron.
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A solid bounded by polygons.
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A solid figure with usually more than six plane surfaces.
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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.
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A six- or more-sided object. A group of connected polygons.
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(geometry) A solid figure with many flat faces and straight edges.
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Origin of polyhedron

  • From New Latin, from Ancient Greek πολύεδρον (poluedron), from πολύς (polus, “many") + ἕδρα (hedra, “seat"); compare French polyèdre.

    From Wiktionary

Polyhedron Sentence Examples

  • More briefly, the figure may be defined as a polyhedron with two parallel faces containing all the vertices.

  • The points thus obtained are evidently the vertices of a polyhedron with plane faces.

  • Probably the best way to make a sphere is to make a polyhedron with a large number of sides.

  • Each stage of refinement defines a new, denser, polyhedron whose vertices are related to local sets of vertices of the original.

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Words near polyhedron in the Dictionary