Diphthong (redirected from Falling diphthongs)
Also found in: Dictionary
A diphthong is a single-syllable vowel sound in which the beginning of the sound is different from the end sound—that is, the sound glides from one vowel sound to another. For this reason, diphthongs are often referred to as gliding vowels.
There are eight vowel sounds in American English that are generally agreed upon as being diphthongs.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.
the combination of two vowels—a syllabic and a nonsyllabic vowel—in one syllable, for example, the French [oi]. Two types of diphthongs may be distinguished: the rising diphthong, in which the second vowel is the syllable-building element, for example, the French [ie] and [ui] and the falling diphthong, in which the first vowel is the syllable-building element, for example, the English [ai] and [au].
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.