An "'open vowel "'is a vowel sound in which the tongue is positioned as far as possible from the roof of the mouth.
22.
At the time of Middle English breaking, the short open vowel was not a front vowel, since a rather than was introduced after it.
23.
If a stem contains ( or ), a suffix that is specified for an open vowel will have ( or, respectively ) as well.
24.
A similar change is reconstructed in the history of Old French in which Bartsch's law turned open vowels into or after a palatalized velar consonant.
25.
The defining characteristic of a close-mid vowel is that the tongue is positioned one third of the way from a close vowel to an open vowel.
26.
The defining characteristic of an open-mid vowel is that the tongue is positioned one third of the way from an open vowel to a close vowel.
27.
The genitive in the singular functions as the second declension :'r + '( the breve above the'e'is the result of an approximant'r'preceding a mid-open vowel ).
28.
Jalapa Mazatec has a basic five vowel system contrasting back and front vowels and closed and open vowel height, with an additional mid high back vowel.
29.
These terms are built up from speech sounds that are easiest to produce ( bilabials like m, p, and b and the open vowel a ).
30.
However, if vowel harmony is triggered and the root contains a close vowel, none of the open vowels to the left of the close vowel will be subject to change.
