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diphthong

1 ENTRIES FOUND:
diphthong /ˈdɪfˌθɑːŋ/ noun
plural diphthongs
diphthong
/ˈdɪfˌθɑːŋ/
noun
plural diphthongs
Britannica Dictionary definition of DIPHTHONG
[count] linguistics
: two vowel sounds joined in one syllable to form one speech sound