Origin: from Glassical Greek monophthongos, of or with one sound from monos, single (see mono-) plush phthongos, a sound, voice
- monophthongal adjective
Used by arrangement with John Wiley & Sons, Inc.
- A single vowel articulated without change in quality throughout the course of a syllable, as the vowel of English bed.
- Two written vowels representing a single sound, as oa in boat.
Origin: Late Greek monophthongos : Greek mono-, mono- + Greek phthongos, sound.
- monˌoph·thonˈgal adjective