Thevoiceless labiodental nasal (stop) is a type ofconsonantal sound, used in somespokenlanguages. The symbol in theInternational Phonetic Alphabet that represents this sound is ⟨ɱ̊⟩, a combination of the letter for thevoiced labiodental nasal and adiacritic indicatingvoicelessness, in certain sources, the voicelessness diacritic can be found below ⟨ɱ̥⟩.^[1] The equivalentX-SAMPA symbol isF_0.

Features of the voiceless labiodental nasal:

• It is anasal consonant, which means air is allowed to escape through the nose, either exclusively (nasal stops) or in addition to through the mouth.
• Itsplace of articulation islabiodental, which means it is articulated with the lowerlip and the upperteeth.
• Itsphonation is voiceless, which means it is produced without vibrations of the vocal cords.
• Because the sound is not produced with airflow over the tongue, thecentral–lateral dichotomy does not apply.
• Itsairstream mechanism ispulmonic, which means it is articulated by pushing air solely with theintercostal muscles andabdominal muscles, as in most sounds.

• Index of phonetics articles
• Voiced bilabial nasal

• List of languages with[ɱ̥] onPHOIBLE
• [ ɱ̊ ] unvoiced labial nasal stop (Video). Glossika Phonics. Retrieved2023-12-06.

• Labiodental consonants
• Pulmonic consonants
• Voiceless consonants
• Nasal consonants

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