TRIPHTHONGAL Meaning of TRIPHTHONGAL in English triphthongal BrE AmE ˌtrɪf ˈθɒŋ ɡ ə l ◂ ˌtrɪp- AmE \ -ˈθɔːŋ- -ˈθɑːŋ- ▷ triphthongal|ly i Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012