A central vowel, formerly also known as a mixed vowel, is any in a class of

vowel A vowel is a syllabic speech sound pronounced without any stricture in the vocal tract. Vowels are one of the two principal classes of speech sounds, the other being the consonant. Vowels vary in quality, in loudness and also in quantity (leng ...

sound used in some spoken

language Language is a structured system of communication. The structure of a language is its grammar and the free components are its vocabulary. Languages are the primary means by which humans communicate, and may be conveyed through a variety of ...

s. The defining characteristic of a central vowel is that the tongue is positioned halfway between a front vowel and a back vowel. (In practice, unrounded central vowels tend to be further forward and rounded central vowels further back.)

List

The central vowels that have dedicated symbols in the

International Phonetic Alphabet The International Phonetic Alphabet (IPA) is an alphabetic system of phonetic notation based primarily on the Latin script. It was devised by the International Phonetic Association in the late 19th century as a standardized representation ...

are: *

close central unrounded vowel The close central unrounded vowel, or high central unrounded vowel, is a type of vowel sound used in some languages. The symbol in the International Phonetic Alphabet that represents this sound is , namely the lower-case letter ''i'' with a hori ...

close central protruded vowel } The close central rounded vowel, or high central 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 }. B ...

* close-mid central unrounded vowel (older publications may use ) *

close-mid central rounded vowel The close-mid central rounded vowel, or high-mid central rounded vowel, is a type of vowel sound. The symbol in the International Phonetic Alphabet that represents this sound is , a lowercase barred letter o. The character ɵ has been used i ...

(older publications may use ) * mid central vowel with ambiguous rounding *

open-mid central unrounded vowel The open-mid central unrounded vowel, or low-mid central unrounded vowel, is a type of vowel sound, used in some spoken languages. The symbol in the International Phonetic Alphabet The International Phonetic Alphabet (IPA) is an alphab ...

(older publications may use ) * open-mid central rounded vowel (older publications may use ) * near-open central vowel with ambiguous rounding (typically used for an unrounded vowel; if precision is desired, may be used for an unrounded vowel and for a rounded vowel) There also are central vowels that don't have dedicated symbols in the IPA: *

close central compressed vowel } The close central rounded vowel, or high central 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 }. B ...

near-close central unrounded vowel The close central unrounded vowel, or high central unrounded vowel, is a type of vowel sound used in some languages. The symbol in the International Phonetic Alphabet that represents this sound is , namely the lower-case letter ''i'' with a hori ...

, , or (unofficial symbol: ) * near-close central protruded vowel , , or (unofficial symbol: ) *

near-close central compressed vowel } The close central rounded vowel, or high central 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 }. B ...

* mid central unrounded vowel or (commonly written ) * mid central protruded vowel or (commonly written as if it were close-mid) * mid central compressed 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 and back , it ...

(commonly written as if it were front) * open central rounded vowel

Bibliography

* Vowels by backness {{phonetics-stub