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/ˈdɪfθɑŋaɪz/ · verb
(transitive, phonetics) To change to a diphthong, as by inserting or removing a vowel..
Some of these [monophthongs] will be diphthongised under the influence of following sounds.
Use diphthongize when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Diphthongize means (transitive, phonetics) To change to a diphthong, as by inserting or removing a vowel..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Some of these [monophthongs] will be diphthongised under the influence of following sounds.
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