Archimedean solid

[är′kə-mēdē-ən, -mĭ-dē-]
  1. A polyhedron whose faces are regular polygons and whose angles are all congruent. The faces may all be of the same type, in which case the solid is a regular polyhedron, or may be of different types. There are only thirteen Archimedean solids. See more under polyhedron.
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