Platonic solid

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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]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.Platonic solid - any one of five solids whose faces are congruent regular polygons and whose polyhedral angles are all congruentPlatonic solid - any one of five solids whose faces are congruent regular polygons and whose polyhedral angles are all congruent
polyhedron - a solid figure bounded by plane polygons or faces
regular tetrahedron - a tetrahedron with four equilateral triangular faces
cube, regular hexahedron - a hexahedron with six equal squares as faces
regular dodecahedron - a dodecahedron with twelve regular pentagons as faces
regular octahedron - an octahedron with eight equilateral triangles as faces
regular icosahedron - an icosahedron with twenty equilateral triangles as faces
References in periodicals archive ?
Designers can create and use the mid surfaces of sheet metal models in part and assembly simulations; that is, mid surfaces can be extracted at the assembly level and used with regular solids in other parts of the model.
Semi-solid and pureed foods are easier than regular solids.