diphthongise

• 指将一个单元音变成双元音的过程，常用于语音学或语言学中。

A verb used to indicate the process of turning a simple vowel sound into a diphthong, typically in phonetics or linguistics.

1. Change to a diphthongC2formal

   To transform a simple vowel sound into a diphthong, which is a complex vowel sound that begins with one vowel and glides into another within the same syllable.

   使变为双元音

   • In some dialects, speakers tend to diphthongise the long 'o' sound.
   • The linguist explained how certain vowels naturally diphthongise over time.
   • When learning the language, students often diphthongise pure vowels incorrectly.

   同义词breakfracture