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Voiceless labiodental nasal

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Voiceless labiodental nasal
ɱ̊
m̪̊
Audio sample
Encoding
X-SAMPAF_0

Thevoiceless labiodental nasal (stop)is a type ofconsonantalsound, used in somespokenlanguages.The symbol in theInternational Phonetic Alphabetthat represents this sound is ⟨ɱ̊⟩, a combination of the letter for thevoiced labiodental nasaland adiacriticindicatingvoicelessness,in certain sources, the voicelessness diacritic can be found below ⟨ɱ̥⟩.[1]The equivalentX-SAMPAsymbol isF_0.

Features

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Features of the voiceless labiodental nasal:

  • It is anasalconsonant, which means air is allowed to escape through the nose, either exclusively (nasal stops) or in addition to through the mouth.
  • Itsplace of articulationislabiodental,which means it is articulated with the lowerlipand the upperteeth.
  • Itsphonationis voiceless, which means it is produced without vibrations of the vocal cords. In some languages the vocal cords are actively separated, so it is always voiceless; in others the cords are lax, so that it may take on the voicing of adjacent sounds.
  • It is acentral consonant,which means it is produced by directing the airstream along the center of the tongue, rather than to the sides.
  • Itsairstream mechanismispulmonic,which means it is articulated by pushing air solely with theintercostal musclesandabdominal muscles,as in most sounds.

Occurrence

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Language Word IPA Meaning Notes
Angami[2] [example needed] Allophone of /m̥ʰ/ before /ə/.
Kinyamwezi[3] [example needed] Allophone of /m/ before /f/.

See also

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Notes

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  1. ^Blankenship, B."Phonetic structures of Khonoma Angami"(PDF).
  2. ^Blankenship, B."Phonetic structures of Khonoma Angami"(PDF).
  3. ^Maganga & Schadeberg (1992).
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