Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb diphthongise

1 sense of diphthongise

Sense 1
diphthongize, diphthongise -- (change from a simple vowel to a diphthong; "This vowel diphthongized in Germanic")
       => switch, shift, change -- (lay aside, abandon, or leave for another; "switch to a different brand of beer"; "She switched psychiatrists"; "The car changed lanes")