Platonic solid

Any one of the following five polyhedra: the regular tetrahedron, the cube, the regular octahedron, the regular dodecahedron and the regular icosahedron.<!Note: there are other regular polyhedra, such as the stellated dodecahedra, but these are not Platonic solids. See the Wikipedia article.

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  • Platonic solid — In geometry, a Platonic solid is a convex polyhedron that is regular, in the sense of a regular polygon. Specifically, the faces of a Platonic solid are congruent regular polygons, with the same number of faces meeting at each vertex; thus, all… …   Wikipedia

  • Platonic solid — Geom. one of the five regular polyhedrons: tetrahedron, octahedron, hexahedron, icosahedron, or dodecahedron. [1950 55] * * * also known as regular polyhedron Geometric solid all of whose faces are identical regular polygons and all of whose… …   Universalium

  • Platonic solid — noun any one of five solids whose faces are congruent regular polygons and whose polyhedral angles are all congruent • Syn: ↑regular polyhedron, ↑regular convex solid, ↑regular convex polyhedron, ↑Platonic body, ↑ideal solid • Hypernyms:… …   Useful english dictionary

  • Platonic solid — (also Platonic body) noun one of five regular solids (a tetrahedron, cube, octahedron, dodecahedron, or icosahedron) …   English new terms dictionary

  • platonic solid — /plətɒnɪk ˈsɒləd/ (say pluhtonik soluhd) noun any one of the five regular polyhedrons (tetrahedron, hexahedron, octahedron, dodecahedron, icosahedron) …   Australian English dictionary

  • Platonic hydrocarbon — Platonic hydrocarbons are the molecular representation of platonic solid geometries with vertices replaced by carbon atoms and with edges replaced by chemical bonds. Not all platonic solids have a molecular counterpart:* Tetravalent carbon… …   Wikipedia

  • Platonic body — noun any one of five solids whose faces are congruent regular polygons and whose polyhedral angles are all congruent • Syn: ↑regular polyhedron, ↑regular convex solid, ↑regular convex polyhedron, ↑Platonic solid, ↑ideal solid • Hypernyms:… …   Useful english dictionary

  • Platonic — Plato s influence on Western culture was so profound that several different concepts are linked by being called platonic or Platonist, for accepting some assumptions of Platonism, but which do not imply acceptance of that philosophy as a whole.… …   Wikipedia

  • solid — solidly, adv. solidness, n. /sol id/, adj. 1. having three dimensions (length, breadth, and thickness), as a geometrical body or figure. 2. of or pertaining to bodies or figures of three dimensions. 3. having the interior completely filled up,… …   Universalium

  • Platonic — adjective Of or relating to the ancient Greek philosopher Plato or his philosophies. See Also: Plato, Platonically, Platonism, Platonist, Platonistic, Platonic body, Platonic hydrocarbon, Platonic solid …   Wiktionary

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