Definition of "diphthongized" []

• Simple past tense and past participle of diphthongize. (verb)

Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License

• "To people outside of NZ and Australia, the two accents sound very similar, but NZers and Australians themselves are hyper-aware of the admittedly quite few really clear markers of difference, such as the vowel in "fish", the vowel in "red" and the vowels like in "bead" that for Australians are often diphthongized."
• "This change may have manifested itself somewhat later than 7; all English dialects have diphthongized old Germanic long i."
• "About 1500 all the long i-vowels, whether original (as in write, ride, wine) or unrounded from Anglo-Saxon ü (as in hide, bride, mice, defile), became diphthongized to ei (i.e., e of met + short i)."