diphthongize Meaning, Definition & Usage
-
verb change from a simple vowel to a diphthong
diphthongise.
- This vowel diphthongized in Germanic
WordNet
Diph"thong*ize transitive verb & intransitive verb
Definitions
To change into a diphthong, as by affixing another vowel to a simple vowel. "The diphthongized long vowels." H. Sweet.