DIAPHONIC Meaning of DIAPHONIC in English diaphonic BrE AmE ˌda ɪ ‿ə ˈfɒn ɪk ◂ AmE \ -ˈfɑːn-▷ diaphonic|ally ə l‿i Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012