Close-mid front rounded vowel The close-mid front rounded vowel is a type of vowel sound, used in some spoken languages. The symbol in the International Phonetic Alphabet that represents this sound is , and the equivalent X-SAMPA symbol is 2. The symbol is a lowercase letter o with a diagonal stroke through it, derived from the Danish, Faroese, and Norwegian alphabets, which also use this symbol to represent this sound. This symbol is also commonly referred to as "o, slash".
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