WordReference Random House Unabridged Dictionary of American English © 2025
fall′ing diph′thong, [Phonet.]
- Phoneticsa diphthong in which the first of the two apparent vocalic elements is of greater stress or sonority and the second is of lesser stress or sonority, as in (ī), (ou), (oi), etc. Cf. rising diphthong.
- 1885–90
'falling diphthong' also found in these entries (note: many are not synonyms or translations):