QUADRAPHONIC Meaning of QUADRAPHONIC in English quadraphonic BrE AmE ˌkwɒdr ə ˈfɒn ɪk ◂ AmE \ ˌkwɑːdr ə ˈfɑːn ɪk ◂▷ quadraphonic|ally ə l‿i▷ quadraphonic|s s Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012