OCTAHEDRON Meaning of OCTAHEDRON in English octahedr|on BrE AmE ˌɒkt ə ˈhiːdr | ə n -ˈhedr- AmE \ ˌɑːkt-▷ octahedr|a ə▷ octahedr|ons ə nz Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012