A central vowel
is a type of vowel
sound used in some spoken languages
. The defining characteristic of a central vowel is that the tongue is positioned halfway between a front vowel
and a back vowel
. The central vowels identified by the International Phonetic Alphabet
Occasionally, the ad hoc symbols ᵻ, ᵿ (
ɪ, ʊ) for near-close central vowels will be seen.