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platonic solid
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Platonic solid
In three-dimensional space, a Platonic solid is a regular, convex polyhedron. It is constructed by congruent regular polygonal faces with the same number of faces meeting at each vertex. Five solids meet those criteria, and each is named after its number of faces.
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Platonic solid
Noun
1. any one of five solids whose faces are congruent regular polygons and whose polyhedral angles are all congruent
(synonym) regular polyhedron, regular convex solid, regular convex polyhedron, Platonic body, ideal solid
(hypernym) polyhedron
(hyponym) regular tetrahedron
