See also: Diphthong
- dipthong (obsolete)
From French diphtongue, from Ancient Greek δίφθογγος (díphthongos, “two sounds”), from δίς (dís, “twice”) + φθόγγος (phthóngos, “sound”).
- (UK) IPA(key): /ˈdɪfˌθɒŋ(ɡ)/; (proscribed) /ˈdɪpˌθɒŋ(ɡ)/
- (US) IPA(key): /ˈdɪfˌθɔŋ/; (proscribed) /ˈdɪpˌθɔŋ/
- (Canada, US, cot–caught merger) IPA(key): /ˈdɪfˌθɑŋ/; (proscribed) /ˈdɪpˌθɑŋ/
Audio (Canada) (file) Audio (US, proscribed) (file)
- Rhymes: -ɪfθɔŋ, -ɪfθɑŋ
diphthong (plural diphthongs)
- (phonetics) A complex vowel sound that begins with the sound of one vowel and ends with the sound of another vowel, in the same syllable.
- Coordinate terms: monophthong, triphthong
- (rare) A vowel digraph or ligature.
- 1854, Robert Bigsby, Historical and Topographical Description of Repton, in the County of Derby, Woodfall and Kinder, page 47:
- And he might have written the name, also, with the diphthong æ, as well as the single vowel, in the initial syllable, throughout all the preceding forms.
- 1860, Joseph E. Worcester, An Elementary Dictionary of the English Language, Swan, Brewer, and Tileston, page 12:
- An improper diphthong has only one of the vowels sounded; as, ea in heat, oa in coal.
- 1874, Theophilus Dwight Hall, A Child’s First Latin Book, John Murray, page 3:
- The diphthong ae is sounded like ē (§7); that is, it has the sound of ey in they.
complex vowel sound