Voiceless bilabial implosive

Voiceless bilabial implosive

A voiceless bilabial implosive is a rare consonantal sound, used in some spoken languages. The symbol in the International Phonetic Alphabet that represents this sound is ɓ̥ or pʼ↓. A dedicated IPA letter, ƥ, was withdrawn in 1993.


Features of the voiced bilabial implosive:


A rare and evidently unstable sound, /ɓ̥/ is found in Bernese German, the Serer of Senegal, the Owere dialect of Igbo in Nigeria, and in some dialects of the Poqomchi’ and Quiche languages of Guatemala. Owere Igbo has a seven-way contrast among bilabial stops, /pʰ p ƥ bʱ b ɓ m/, where [ƥ] is allophone of [k͡p] and [ɓ] is allophone of [ɡ͡b].

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