PLATONIC SOLID
Meaning of PLATONIC SOLID in English
Geom.
one of the five regular polyhedrons: tetrahedron, octahedron, hexahedron, icosahedron, or dodecahedron.
[ 1950-55 ]
Random House Webster's Unabridged English dictionary.
Полный английский словарь Вебстер - Random House .
2012