The close-mid central unrounded vowel, or high-mid central unrounded vowel, is a type of vowel sound used in some spoken languages. The symbol in the International Phonetic Alphabet that represents this sound is . This is a mirrored letter e and should not be confused with the schwa , which is a turned e. It was added to the IPA in 1993; before that, this vowel was transcribed . Certain older sources transcribe this vowel .
The letter may be used with a lowering diacritic , to denote the mid central unrounded vowel.