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diphthong

[dif-thawng, -thong, dip-] /ˈdɪf θɔŋ, -θɒŋ, ˈdɪp-/
noun
1.
Phonetics. an unsegmentable, gliding speech sound varying continuously in phonetic quality but held to be a single sound or phoneme and identified by its apparent beginning and ending sound, as the oi- sound of toy or boil.
2.
  1. a digraph, as the ea of meat.
  2. a ligature, as æ.
verb (used with object), verb (used without object)
3.
Origin of diphthong
late Middle English
1425-1475
1425-75; late Middle English diptonge < Late Latin diphthongus < Greek díphthongos literally, having two sounds (di- di-1 + phthóngos voice, sound)
Related forms
diphthongal
[dif-thawng-guh l, -thong-, dip-] /dɪfˈθɔŋ gəl, -ˈθɒŋ-, dɪp-/ (Show IPA),
diphthongic, diphthongous, adjective
nondiphthongal, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for diphthong
  • The production of a diphthong acoustically is a glide between two sounds.
British Dictionary definitions for diphthong

diphthong

/ˈdɪfθɒŋ; ˈdɪp-/
noun
1.
a vowel sound, occupying a single syllable, during the articulation of which the tongue moves from one position to another, causing a continual change in vowel quality, as in the pronunciation of a in English late, during which the tongue moves from the position of (e) towards (ɪ)
2.
a digraph or ligature representing a composite vowel such as this, as ae in Caesar
Derived Forms
diphthongal, adjective
Word Origin
C15: from Late Latin diphthongus, from Greek diphthongos, from di-1 + phthongos sound
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
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Word Origin and History for diphthong
n.

late 15c., from Middle French diphthongue, from Late Latin diphthongus, from Greek diphthongos "having two sounds," from di- "double" (see di- (1)) + phthongos "sound, voice," related to phthengesthai "utter, speak loudly."

Online Etymology Dictionary, © 2010 Douglas Harper
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Difficulty index for diphthong

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Word Value for diphthong

19
20
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