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Added 10 October 2026

diphthongize

/ˈdɪfθɑŋaɪz/ verb

verb Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about diphthongize at Wordnik → Where our words come from →

To change to a diphthong, as by inserting or removing a vowel.
To become a diphthong.

Origin

From diphthong + -ize.

From Wiktionary, via Kaikki.org (CC BY-SA)

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