Adjacent Words

Triphthong definitions

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Webster's 1828 Dictionary

TRIPH'THONG, n. [Gr. three, and sound.] A coalition of three vowels in one compound sound, or in one syllable, as in adieu, eye.

Merriam Webster's

noun Etymology: tri- + -phthong (as in diphthong) Date: circa 1599 1. a phonological unit consisting of three successive vocalic sounds in one syllable 2. trigraph • triphthongal adjective

Oxford Reference Dictionary

n. 1 a union of three vowels (letters or sounds) pronounced in one syllable (as in fire). 2 three vowel characters representing the sound of a single vowel (as in b eau). Derivatives: triphthongal adj. Etymology: F triphtongue (as TRI-, DIPHTHONG)

Webster's 1913 Dictionary

Triphthong Triph"thong, n. [Pref. tri- + -phthong, as in diphthong: cf. F. triphthonque.] (Ortho["e]py) 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.

Soule's Dictionary of English Synonyms

n. Trigraph.