22. (Phonetics & Phonology) phonetics of, relating to, or denoting a vowel whose articulation is made by increasing the back with the tongue in the direction of the comfortable palate or perhaps the blade towards the really hard palate, like for your ee in English see or oo in English https://www.slideserve.com/John1404/timeless-sophistication-meets-modern-elegance-in-swiss-craftsmanship