ⓘ Open central unrounded vowel

                                     

ⓘ Open central unrounded vowel

The open central unrounded vowel, or low central unrounded vowel, is a type of vowel sound, used in many spoken languages. While the International Phonetic Alphabet officially has no dedicated letter for this sound between front, it is normally written ⟨ a ⟩. If precision is required, it can be specified by using diacritics, such as centralized ⟨ a ⟩ or retracted ⟨ a̠ ⟩.

Most commonly used conventional ⟨ In ⟩ for an open Central vowel and, if necessary, and ⟨ æ ⟩ officially near the open front vowel, the open front vowel. Alternatively, sinologists may use the letter ⟨ ᴀ ⟩ Malykh A. capital IPA voted against the official adoption of the symbol in 1976, 1989 and 2012.

In the Limburg dialect of Hamont was reported in contrast to the long, open front, Central and back unrounded vowels. This is extremely unusual.