Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- n. A single vowel articulated without change in quality throughout the course of a syllable, as the vowel of English bed.
- n. Two written vowels representing a single sound, as oa in boat.
Century Dictionary and Cyclopedia
- n. A simple vowel-sound.
- n. A combination of two written vowels pronounced as one.
Wiktionary
- n. 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").
GNU Webster's 1913
- n. A single uncompounded vowel sound.
- n. A combination of two written vowels pronounced as one; a digraph.
Etymologies
- Late Greek monophthongos : Greek mono-, mono- + Greek phthongos, sound.
Examples
“A monophthong, on the other hand, is a vowel sound that has the same sound throughout, like the/æ/sound in American English hat.”
“Putting the emphasis on the final syllable of Sotomayor is unnatural in English (which is why the president stopped doing it after the first time at his press conference), unlike my correspondent's simple preference for a monophthong over a diphthong, and insisting on an unnatural pronunciation is something we shouldn't be giving in to.”
“She's getting the Oklahoma monophthong -- mah, she says, for my, and raht, for right.”
“Monophthongization is the process of converting a diphthong to a monophthong (I’ll explain those terms in a minute.)”
Lists
These user-created lists contain the word ‘monophthong’.
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Logolepsy
"Luciferous Logolepsy is a collection of over 9,000 obscure English words. Though the definition of an 'English' word might seem to be straightforward, it is not. There exist so many adopted, deriv...
Anschauung, Areopagus, Argus, Briarean, Dei gratia, Dei judicium, Deo volente, Duecento, Foehn, Geflugelte Worte, Gegenschein, Hakenkreuz and 9230 more...
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Lyngwistix
semantic, semiotic, linguistic, etc.
lexeme, sonorant, prosody, monophthong, portmanteau, dithyramb, inflection, deixis, mondegreen, screed, persiflage, polysemy and 27 more...
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Words that make me want to drink single malt sc...
You know that feeling when you hear a word that you just want to roll it around in your mouth, experiment with it, find its edges and texture. Words that you want to clink around in a glass with so...
melt, agronomy, cartilage, vexatious, scintillating, carrion, caryopsis, crystallite, haulm, alegar, maltster, carpel and 31 more...
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moving constants
insteadfast, assid tests, isentropic, swerveless, scedastic, stableful, fixure, compoise, still, withoutcessant, Cassini ovals, conchoid and 53 more...
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phth
Words with that sequence of letters
phthalo, phthalate, apophthegm, phthalocyanine, naphtha, phthor, phthisic, diphtheria, ophthalmologist, exophthalmia, diphthong, phthongometer and 52 more...
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-phthong
voice; sound

Sorcha I can't help but feel that this word needs a bit of itself. Apr 13, 2011