Roundedness
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In phonetics, vowel roundedness is the rounding of the lips, or lack thereof, during the articulation of a vowel. It is the degree and kind of labialization of a vowel. In the International Phonetic A
Protruded rounding
Compressed rounding
The International Phonetic Alphabet is an alphabetic system of phonetic notation based primarily on the Latin script. It was devised by the International Phonetic Association, starting in the late 19t
Roundedness
…roundedness is the rounding of the lips, or lack thereof, during the articulation of a vowel. It is the degree and kind of labialization of a vowel. In the International Phonetic Alphabet vowel chart, rounded vowels are the ones that appear on the right in each bulleted pair of letters, and the corresponding unrounded vowels are the ones…
![X-ray photos show the sounds [i, u, a, ɑ].](https://upload.wikimedia.org/wikipedia/commons/thumb/1/15/Cardinal_vowels-Jones_x-ray.jpg/500px-Cardinal_vowels-Jones_x-ray.jpg)
X-ray photos show the sounds [i, u, a, ɑ].