POLYHEDRON Meaning of POLYHEDRON in English polyhedr|on BrE AmE ˌpɒl i ˈhiːdr | ə n -ˈhedr- AmE \ ˌpɑːl-▷ polyhedr|a ə▷ polyhedr|al əl▷ polyhedr|ons ə nz Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012