OXFORD 9000
📚 noun • entry_id 4921

polyhedron

/ˌpɒlɪˈhiːdɹən/
Meanings (ES + gloss)
poliedro
A solid figure with many flat faces and straight edges.
Of the convex polyhedra with regular faces, the only ones that have tetrahedral, octahedral, or icosahedral symmetry are the Platonic and Archimedean solids.