non diphthongal


[dif-thawng, -thong, dip-]
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.
a digraph, as the ea of meat.
a ligature, as æ.
verb (used with object), verb (used without object)

1425–75; late Middle English diptonge < Late Latin diphthongus < Greek díphthongos literally, having two sounds (di- di-1 + phthóngos voice, sound)

diphthongal [dif-thawng-guhl, -thong-, dip-] , diphthongic, diphthongous, adjective
nondiphthongal, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To non diphthongal
World English Dictionary
diphthong (ˈdɪfθɒŋ, ˈdɪp-)
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 ()
2.  a digraph or ligature representing a composite vowel such as this, as ae in Caesar
[C15: from Late Latin diphthongus, from Greek diphthongos, from di-1 + phthongos sound]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Word Origin & History

late 15c., from M.Fr., from L.L., from Gk. diphthongos, from di- "double" + phthongos "sound, voice," related to phthengesthai "utter, speak loudly."
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
Copyright © 2014, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature