triphthong
nounNAmE//ˈtrɪfθɔŋ//, NAmE//ˈtrɪfθɑŋ//, NAmE//ˈtrɪpθɔŋ//, NAmE//ˈtrɪpθɑŋ//
(phonetics)
NAmE//trɪfˈθɔŋɡl//, NAmE//trɪfˈθɑŋɡl//, NAmE//trɪpˈθɔŋɡl//, NAmE//trɪpˈθɑŋɡl//
adjectiveSee triphthong in the Oxford Advanced Learner's DictionaryCheck pronunciation: triphthong