Linguolabial consonant

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Linguolabials or apicolabials are consonants articulated by placing the tongue tip or blade against the upper lip, which is drawn downward to meet the tongue. They represent one extreme of a coronal articulatory continuum which extends from linguolabial to sub-apical palatal places of articulation. Cross-linguistically, linguolabial consonants are very rare, though they do not represent a particularly exotic combination of articulatory configurations, unlike click consonants or ejectives. They are found in a cluster of languages in Vanuatu, as well as in Umotína, a recently extinct Bororoan language of Brazil, as well as extraphonotactic sounds in Coatlán-Loxicha Zapotec.

The linguolabial consonants are transcribed in the International Phonetic Alphabet by adding the "seagull" diacritic to the corresponding alveolar consonant. They are sometimes seen with the letter for a bilabial consonant instead, but this usage is not recognized by the International Phonetic Association, and would imply that both lips are used.

IPA Description Example
Language Orthography IPA Meaning
linguolabial nasal Tangoa [n̼ata] "eye"
style="border:1px solid black" voiceless linguolabial plosive Tangoa [t̼et̼e] "butterfly"
style="border:1px solid black" voiced linguolabial plosive Vao [nan̼d̼ak] "bow"
style="border:1px solid black" voiceless linguolabial fricative Big Nambas ['inɛθ̼] "he is asthmatic"
style="border:1px solid black" voiced linguolabial fricative Tangoa [ð̼atu] "stone"
linguolabial trill Attested extraphonotactically in Coatlán Zapotec Essentially identical to blowing a raspberry.

See also

Notes

References

  • Maddieson, Ian. Linguolabials. The Journal of the Acoustical Society of America, Volume 81, Issue S1 (May 1987), p. S65.



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