triphthong

From the Ancient Greek τρίφθογγος (tríphthongos, “triphthong, having three voices”), from τρία (tría, “three”) + φθόγγος (phthóngos, “sound”).

• (UK) IPA^(key): /ˈtɹɪfθɒŋ(ɡ)/, /ˈtɹɪpθɒŋ(ɡ)/
• (US) IPA^(key): /ˈtɹɪfθɔŋ/, /ˈtɹɪpθɔŋ/
• (CA; US, in accents with the cot-caught merger) IPA^(key): /ˈtɹɪfθɑŋ/, /ˈtɹɪpθɑŋ/

triphthong (plural triphthongs)

1. A monosyllabic vowel combination usually involving a quick but smooth movement from one vowel to another that passes over a third one.

• triphthongal

• diphthong