Diphthong Synonyms & Definitions

Synonyms are words that have the same or almost the same meaning and the definition is the detailed explanation of the word. This page will help you out finding the Definition & Synonyms of hundreds of words mentioned on this page. Check out the page and learn more about the English vocabulary.

• DiphthongDefinition & Meaning in English

1. (n.) A coalition or union of two vowel sounds pronounced in one syllable; as, ou in out, oi in noise; -- called a proper diphthong.
2. (v. t.) To form or pronounce as a diphthong; diphthongize.
3. (n.) A vowel digraph; a union of two vowels in the same syllable, only one of them being sounded; as, ai in rain, eo in people; -- called an improper diphthong.

• DiphthongizationDefinition & Meaning in English

1. (n.) The act of changing into a diphthong.