TRIPHTHONG n.
A combination of three vowel sounds in a single syllable, forming a simple or compound sound; also, a union of three vowel characters, representing together a single sound; a trigraph; as, eye, -ieu in adieu, -eau in beau, are examples of triphthongs.
VERNER'S LAW n.
and appear without further change in old Teutonic, if the accent rested on the preceding syllable; but these sounds became voiced and produced g, d, b, if the accent was originally on a different syllable. Similarly s either remained unchanged, or it became z and later r. Example: Skt. sapta (accent on ultima), Gr. 'e…
VOICE n.
obscure neutral vowel sound that sometimes occurs between two consonants in an unaccented syllable (represented by the apostrophe), as in able (a"b'l). See Glide, n., 2. -- Voice stop. See Voiced stop, under Voiced, a. -- With one voice, unanimously. "All with one voice . . . cried out, Great is Diana of the Ephesian…
Y n.
Y, the twenty-fifth letter of the English alphabet, at the beginning of a word or syllable, except when a prefix (see Y-), is usually a fricative vocal consonant; as a prefix, and usually in the middle or at the end of a syllable, it is a vowel. See Guide to Pronunciation, §§ 145, 178-9, 272.