triphthong /trifˈthong, tripˈ/

1. A combination of three vowel sounds in one syllable (phonetics)
2. (loosely) a trigraph

triphthongal /-thongˈgl/ adjective

• vice-queen
• vice-queens
• vice-regal
• viceregent
• viceregents
• vicereine
• vicereines
• vice ring
• vice rings
• viceroy
• viceroyalties
• viceroyalty
• viceroys
• viceroyship
• viceroyships
• vices
• vicesimal
• vicesimo-
• vice squad
• vice squads
• vice versa
• vichy
• Vichyite
• vichyssois
• vichyssoise