( BrE also diph·thong·ise ) / ˈdɪfθɒŋaɪz; NAmE -θɔːŋ-; ˈdɪp-/ verb
[ vn ] ( phonetics ) to change a vowel into a diphthong
► diph·thong·iz·ation , diph·thong·is·ation / ˌdɪfθɒŋaɪˈzeɪʃn; NAmE -θɔːŋ-; ˌdɪp-/ noun [ U ]
( BrE also diph·thong·ise ) / ˈdɪfθɒŋaɪz; NAmE -θɔːŋ-; ˈdɪp-/ verb
[ vn ] ( phonetics ) to change a vowel into a diphthong
► diph·thong·iz·ation , diph·thong·is·ation / ˌdɪfθɒŋaɪˈzeɪʃn; NAmE -θɔːŋ-; ˌdɪp-/ noun [ U ]
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005