diphthongization

== English == === Alternative forms === diphthongisation === Etymology === From diphthong +‎ -ization. === Noun === diphthongization (countable and uncountable, plural diphthongizations) The process by which a single vowel sound (monophthong) shifts to a two-vowel vocalization (diphthong). Coordinate terms: monophthongization, triphthongization ==== Related terms ==== diphthongize ==== Translations ====