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triphthong

American  
[trif-thawng, -thong, trip-] / ˈtrɪf θɔŋ, -θɒŋ, ˈtrɪp- /

noun

  1. Phonetics. a monosyllabic speech-sound sequence perceived as being made up of three differing vowel qualities, as the pronunciation of our, especially in r-dropping dialects.

  2. (not in technical use) a trigraph.


triphthong British  
/ ˈtrɪp-, ˈtrɪfθɒŋ /

noun

  1. a composite vowel sound during the articulation of which the vocal organs move from one position through a second, ending in a third

  2. a trigraph representing a composite vowel sound such as this

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Etymology

Origin of triphthong

1590–1600; < New Latin triphthongus < Medieval Greek tríphthongos with three vowels, equivalent to tri- tri- + phthóngos voice, sound

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

A proper triphthong is a triphthong in which all the vowels are sounded; as, uoy in buoy.

From The Grammar of English Grammars by Brown, Goold

The elements which he enumerates are thirty-five; but if oi is not a triphthong, they are to be thirty-six.

From The Grammar of English Grammars by Brown, Goold

The triphthong is properly a union of letters, not sounds.

From McGuffey's Eclectic Spelling Book by McGuffey, William Holmes

A triphthong is three vowels joined in one syllable; as, eau in beau, iew in view, oeu in manoeuvre.

From The Grammar of English Grammars by Brown, Goold

An improper triphthong is a triphthong in which only one or two of the vowels are sounded; as, eau in beauty, iou in anxious.

From The Grammar of English Grammars by Brown, Goold

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