Meaning of diphthongises

1. The singer diphthongises his vowels in order to create a more melodic sound.
2. The linguist explained how certain languages diphthongise specific vowel sounds.
3. In English, the word "coin" diphthongises the vowel sounds of "oi."
4. The actor practiced diphthongising his speech for his role in the play.
5. The teacher asked the students to pay attention to how the singer diphthongised the words in the song.
6. The choir director emphasized the importance of diphthongising certain vowels for a harmonious sound.
7. The dialect in that region diphthongises certain vowels differently from standard pronunciation.
8. The speech therapist worked with the patient on diphthongising certain vowel sounds for clearer speech.
9. The language learner struggled with diphthongising the vowels in the new language.
10. The singer's unique style included diphthongising vowels in a way that captivated audiences.