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Voiceless alveolar implosive
ɗ̥
ƭ
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Avoiceless alveolar implosive is a rareconsonantal sound, used in somespokenlanguages. The symbol in theInternational Phonetic Alphabet that represents this sound is ⟨ɗ̥ ⟩ or theoretically ⟨tʼ↓⟩. A dedicated IPA letter, ⟨ƭ⟩, was retired in 1993.

Features of a voiceless alveolar implosive:

• Itsmanner of articulation isocclusive, which means it is produced by obstructing airflow in the vocal tract. Since the consonant is also oral, with nonasal outlet, the airflow is blocked entirely, and the consonant is aplosive.
• Itsplace of articulation isalveolar, which means it is articulated with either the tip or the blade of the tongue at thealveolar ridge, termed respectivelyapical andlaminal.
• Itsphonation is un-voiced, which means it is produced without vibrations of the vocal cords.
• It is anoral consonant, which means that air is not allowed to escape through the nose.
• It is acentral consonant, which means it is produced by directing the airstream along the center of the tongue, rather than to the sides.
• Theairstream mechanism isimplosive (glottalic ingressive), which means it is produced by pulling air in by pumping theglottis downward. As it is voiceless, the glottis is completely closed, and there is no pulmonic airstream at all.

• Voiced alveolar implosive

• Mc Laughlin, Fiona (2005), "Voiceless implosives in Seereer-Siin",Journal of the International Phonetic Association,35 (2):201–214,doi:10.1017/S0025100305002215,S2CID 145717014

• List of languages with[ɗ̥] onPHOIBLE

• Alveolar consonants
• Implosives
• Voiceless oral consonants

• CS1 French-language sources (fr)
• Articles with short description
• Short description matches Wikidata
• Articles needing additional references from October 2021
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• Pages with plain IPA
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• Articles needing examples from July 2023