a simple vowel sound during the utterance of which the vocal organs remain in a relatively unchanging position, as (ä), (o̵o), or (i)
Origin of monophthong; from Classical Greek monophthongos, of or with one sound ; from monos, single (see mono-) + phthongos, a sound, voice
- 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 of monophthongLate Greek monophthongos : Greek mono-, mono- + Greek phthongos, sound.
- A vowel (in the sense of a sound rather than a letter of the alphabet) that has the same sound throughout its pronunciation, such as the short vowels in "pap", "pep", "pip", "pop" and "pup", as opposed to a diphthong (eg, /aɪ/, the vowel in "pipe") or a triphthong (eg, /aɪə/, the sound in the non-rhotic pronunciation of "pyre").
From Ancient Greek μονόφθογγος (monophthongos), from μόνος (monos, “single”) + φθόγγος (phthongos, “sound”).