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Definition of Diphthong
1. Noun. A vowel sound that starts near the articulatory position for one vowel and moves toward the position for another.
Definition of Diphthong
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.
Definition of Diphthong
1. Noun. (phonetics) A complex vowel sound that begins with the sound of one vowel and ends with the sound of another vowel, in the same syllable. ¹
2. Noun. (rare) A vowel digraph or ligature. ¹
¹ Source: wiktionary.com
Definition of Diphthong
1. [v -ED, -ING, -S]
Medical Definition of Diphthong
1. Origin: L. Diphthongus, Gr.; = twice + voice, sound, fr. To utter a sound: cf. F. Diphthongue] A coalition or union of two vowel sounds pronounced in one syllable; as, ou in out, oi in noise; called a proper diphthong. 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. Source: Websters Dictionary (01 Mar 1998)