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  • verb

Synonyms for diphthongize

change from a simple vowel to a diphthong

References in periodicals archive ?
follows attention is focussed on a completely different set of changes which increased the number of input forms to the 15th century diphthongisation of long vowels.
The subsequently narrowed [e:] and [o:] created the input [i:] and [u:] respectively to the diphthongisation rule which ultimately produced the contemporary output diphthongs [ai] and [au].
The evidence of the diphthongisation OH > OUH is rather meagre.
the diphthongisation of a preceding front vowel with the retraction of its second portion, while coronal and dorso-prevelar approximants often do (Howell 1991).
Johnston 1992: 208) but, in any case, both diphthongisation and /e: o:/-raising seem to have reached completion at the beginning of the 16th century.
In certain Middle English northern dialects, for example, there was no diphthongisation of Middle English /u:/ as is shown by the fact that some modern Scots varieties have /hus/ instead of /haus/.
1) Raising of /e: o:/ and diphthongisation of /i: u:/, which was completed by the early 16th century.
The question is, whether diphthongisation was a 'method' available to disyllabic <ie>.
146) suggests that "[t]he most obvious interpretation" is of West-Saxon resolution of hiatus by diphthongisation to the (i-umlauted) sound represented initially by <ie>.
Hiatus resolution via diphthongisation necessarily involves merger with only the long diphthong.
T his observation may mitigate the force of arguments in favour of diphthongisation of /i:/ + /[LANGUAGE NOT REPRODUCIBLE IN ASCII]/ in a form such as <sie>.
The preceding section raised some (primarily) phonological problems associated with hiatus resolution via diphthongisation of original disyllabics represented by <ie>.