Platonic solid

Platonic solid

n (Mathematics) any of the five possible regular polyhedra: cube, tetrahedron, octahedron, icosahedron, and dodecahedron. Also called (esp formerly): Platonic body [C17: named after Plato¹, who was the first to list them]

Thesaurus

Noun

1.

Platonic solid - any one of five solids whose faces are congruent regular polygons and whose polyhedral angles are all congruentideal solid, Platonic body, regular convex polyhedron, regular convex solid, regular polyhedronpolyhedron - a solid figure bounded by plane polygons or facesregular tetrahedron - a tetrahedron with four equilateral triangular facescube, regular hexahedron - a hexahedron with six equal squares as facesregular dodecahedron - a dodecahedron with twelve regular pentagons as facesregular octahedron - an octahedron with eight equilateral triangles as facesregular icosahedron - an icosahedron with twenty equilateral triangles as faces