ideal solid

Từ điển Oxford Learners Wordfinder Dictionary

noun

any one of five solids whose faces are congruent regular polygons and whose polyhedral angles are all congruent
• Syn:
regular polyhedron, regular convex solid, regular convex polyhedron, Platonic body, Platonic solid
• Hypernyms:
polyhedron
• Hyponyms:
regular tetrahedron, cube, regular hexahedron, regular dodecahedron, regular octahedron, regular icosahedron