Diphthongization

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    The process by which a single vowel sound (monophthong) shifts to a two-vowel vocalization (diphthong). countable, uncountable

Etymology

From diphthong + -ization.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.