Definition of Platonic solid in English:

Platonic solid

(also Platonic body)


  • One of five regular solids (a tetrahedron, cube, octahedron, dodecahedron, or icosahedron).

    • ‘His geometrical inclinations led him to propose that these particles had regular, mathematical shapes: the polyhedra called regular Platonic solids.’
    • ‘The final book studies the five Platonic solids as well as the semi-regular Archimedean solids.’
    • ‘If each face is an equilateral triangle, the result is a regular tetrahedron, one of the five Platonic solids.’
    • ‘The fifth Platonic solid, the dodecahedron, is Plato's model for the whole universe.’
    • ‘Kepler connected the planetary orbits with the five regular polyhedra, or Platonic solids.’