diphthong

US /ˈdɪfθɔ:ŋ/

・

UK /ˈdɪfθɒŋ/

A1
DefinitionVideo subtitles

noun

  • Union of two vowel sounds or vowel letters, e.g. the sounds , ai; ai, in pipe , paip; paip, , the letters ou in doubt, pipe , paip; paip, , ai; ai, ; doubtou