RHOMBOHEDRON Meaning of RHOMBOHEDRON in English rhombohedr|on BrE AmE ˌrɒm bə ʊ ˈhiːdr | ə n -ˈhedr- AmE \ ˌrɑːm boʊ- -bə- ▷ rhombohedr|a ə▷ rhombohedr|ons ə nz Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012