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noun, Geometry.
one of the five regular polyhedrons: tetrahedron, octahedron, hexahedron, icosahedron, or dodecahedron.
any of the five possible regular polyhedra: cube, tetrahedron, octahedron, icosahedron, and dodecahedron Also called (esp formerly) Platonic body


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  • Platonist

    [pleyt-n-iz-uh m] /ˈpleɪt nˌɪz əm/ noun 1. the philosophy or doctrines of Plato or his followers. 2. a Platonic doctrine or saying. 3. the belief that physical objects are impermanent representations of unchanging Ideas, and that the Ideas alone give true knowledge as they are known by the mind. 4. (sometimes lowercase) the doctrine or […]

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