diphthong
/ˈdɪfθɔŋ/
noun
- A sound formed by combining two vowels in a single syllable, where the tongue moves from one vowel position to another.
- The word 'coin' contains the diphthong /ɔɪ/.
- Learning to pronounce diphthongs correctly can help you sound more natural in English.
- In the word 'loud', the 'ou' represents a diphthong.
Antonyms