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Part 4
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Part 4
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Another aspect of vowel classification is the presence or absence of lip rounding. Some vowels, such as the vowels 
and 
, are formed with a high degree of lip rounding. Such vowels are called rounded vowels. Some vowels, such as 
and 
, are formed without such rounding, and are called unrounded vowels.
In the next section, you will be introduced to the classification of vowels in terms of tenseness.
© 2001 The Language Samples Project