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