polyphthong

Noun

Meaning

polyphthong (plural polyphthongs)

(phonetics) A complex vowel sound that begins with the sound of one vowel, transitions through another vowel sound, and ends with the sound of yet another vowel.

Source: en.wiktionary.org

Close letter words and terms

polyphthalamide polyphthalate polyphthalocyanine polyphylesis polyphyletic polyphyletically