Diphthongs

Some articles on diphthongs, diphthong:

Taos Phonology - Segments - Vowels - Diphthongs
... diphthongs) that can function as syllable nuclei and are approximately the same duration as the single vowels /ie, iæ, ĩẽ, uɑ, ɤɑ/ Unlike diphthongs in several other languages ... and, in fact, Harrington (1910) describes these as diphthongs on par with Trager's "vowel clusters" ...
Coast Tsimshian Language - Phonology - Phonological Processes
... /k'yilk'yi'nam/ "give" Long vowels may become diphthongs ... the water" (note The existence of diphthongs is questionable ... however, seems to believe that younger speakers will realize a diphthong ...
Lojban Grammar - Phonology - Diphthongs
... Lojban has 16 diphthongs (a kind of sound which consists of a vowel plus a glide, always constituting a single syllable) ... , , and , for instance, are all realized as the corresponding falling diphthongs ...
Ancient Greek Phonology - Vowels - Long Vowels
... instances, they had earlier been falling diphthongs and respectively, and the spellings ει and ου reflect this origin ... When the original diphthongs lost their diphthongal pronunciation having become /eː/ and /oː/ probably in pre-classical times, the spellings ει and ου provided a convenient way of representing the ... the digraph spellings ει and ου correspond to original diphthongs they are called "genuine diphthongs", in all other cases, they are called "spurious diphthongs" ...