1) Polyhedron 2) Twelve-faced solid
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In geometry, a dodecahedron (Greek δωδεκάεδρον, from δώδεκα, dōdeka `twelve` + ἕδρα hédra `base`, `seat` or `face`) is any polyhedron with twelve flat faces, but usually a regular dodecahedron is meant: a Platonic solid. It is composed of 12 regular pentagonal faces, with three meeting at each vertex, and is represe...
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http://en.wikipedia.org/wiki/Dodecahedron
• (n.) A solid having twelve faces.
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(from the article `garnet`) Garnets commonly occur as well-developed crystals. The typical forms of the crystals have 12 or 24 sides and are called dodecahedrons (see ...
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http://www.britannica.com/eb/a-z/d/61
A cube inside a dodecahdron A polyhedron with 12 faces. A regular dodecahedron is made from faces that are identical regular pentagons and is one of the Platonic solids.
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A twelve-sided geometric solid. One of the crystal formsfound in the Isometric crystal system.
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http://www.encyclo.co.uk/local/22148
Twelve sided polyhedron; all sides are equidimensional and either rhombic or pentagonal. If the dodecahedron is composed of rhombs, it is known as a rhombic dodecahedron, or simply as a dodecahedron. If it is composed of pentagons, it is known as a pentagonal dodecahedron or pyritohedron. Minerals shaped as dodecahedrons belong to the isometric sy...
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Do·dec`a·he'dron noun [ Greek ...; ... twelve + ... seat, bottom, base: confer French
dodécaèdre .]
(Geom. & Crystallog.) A solid having twelve faces. » The
regular dodecahedron is bounded by twelve equal and regular pentagons; the pyritohedron (see
Pyritohedron ) ...
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http://www.encyclo.co.uk/webster/D/105
A dodecahedron is a regular solid bounded by twelve equal pentagons.
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[
n] - any polyhedron having twelve plane faces
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http://www.webdictionary.co.uk/definition.php?query=dodecahedron
A solid figure with 12 faces A regular dodecahedron is a regular polyhedron with 12 faces. Each face is a regular pentagon. See also: Dodecagon, Polyhedral.
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noun any polyhedron having twelve plane faces
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https://www.encyclo.co.uk/local/20974
Regular solid with 12 pentagonal faces and 12 vertices. It is one of the five regular polyhedra, or Platonic solids
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a solid figure having 12 faces.
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https://www.infoplease.com/dictionary/dodecahedron
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