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English definition of “monophthong”


noun [C] /ˈmɒn.əf.θɒŋ/ US  /ˈmɑː.nəf.θɑːŋ/ specialized
a vowel sound in which the tongue stays in one position → Compare diphthong, triphthong
(Definition of monophthong noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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