triphthong

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

• (UK) IPA^(key): /ˈtɹɪfˌθɒŋ(ɡ)/; (proscribed) /ˈtɹɪpˌθɒŋ(ɡ)/
• (US) IPA^(key): /ˈtɹɪfˌθɔŋ/; (proscribed) /ˈtɹɪpˌθɔŋ/
• (Canada, US, cot–caught merger) IPA^(key): /ˈtɹɪfˌθɑŋ/; (proscribed) /ˈtɹɪpˌθɑŋ/
• Rhymes: -ɪfθɑŋ, (US) -ɪfθɔŋ

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