triphthong

noun
🔊/ˈtrɪfθɒŋ/, 🔊/ˈtrɪpθɒŋ/
🔊/ˈtrɪfθɔːŋ/, 🔊/ˈtrɪpθɔːŋ/
(phonetics语音学)
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  1. a combination of three vowel sounds or vowel letters, for example the sounds /aɪə/ in fire /faɪə(r)/ 三合元音;三元音;三母音compare diphthong, monophthong
    Word Originmid 16th cent.: from French triphtongue, from tri- ‘three’, on the pattern of diphthong.