As there are no diacritics in the IPA to distinguish protruded and compressed rounding, an old diacritic for labialization, (the opposite of ), will be used here as an
ad hoc symbol for compressed central vowels. It was only added to Unicode in 2025, however, and it may take some time for font support to catch up. Another attested transcription is ( modified with labial compression), though this may imply that the vowel is a diphthong (as indeed it is in Swedish). The central-vowel stroke of may also be used with the front compressed vowel to create the
ad hoc symbol , or the diacritic for centralization to create .
Features Occurrence This vowel is typically transcribed in IPA with . It occurs in some dialects of
Swedish, but see also
close front compressed vowel. The close back vowels of Norwegian and Swedish are also compressed. See
close back compressed vowel. It also occurs in
Japanese as an
allophone.
Medumba has a compressed central vowel where the corners of the mouth are not drawn together. ==Near-close central protruded vowel==