diphthongとは 意味・読み方・使い方

別の表記

• dipthong (廃れた用法)

語源

From French diphtongue, from Ancient Greek δίφθογγος (díphthongos, “two sounds”), from δίς (dís, “twice”) + φθόγγος (phthóngos, “sound”).

発音

• (英国発音) IPA^(key): /ˈdɪfˌθɒŋ(ɡ)/; (proscribed) /ˈdɪpˌθɒŋ(ɡ)/
• (米国発音) IPA^(key): /ˈdɪfˌθɔŋ/; (proscribed) /ˈdɪpˌθɔŋ/
• (Canada, 米国発音, cot–caught merger) IPA^(key): /ˈdɪfˌθɑŋ/; (proscribed) /ˈdɪpˌθɑŋ/
• 韻: -ɪfθɔŋ, -ɪfθɑŋ

名詞

diphthong (複数形 diphthongs)

1. (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

2. (rare) A vowel digraph or ligature.
   • 1854, Robert Bigsby, Historical and Topographical Description of Repton, in the County of Derby‎^[1], 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^[2], 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^[3], John Murray, page 3:

     The diphthong ae is sounded like ē (§7); that is, it has the sound of ey in they.

派生語

関連する語

• monophthong
• triphthong
• apothegm
• hiatus