Voiced retroflex implosive
The voiced retroflex implosive is a type of consonantal sound. It is not known to be phonemically distinct from alveolar in any language. Sindhi has an implosive that varies between dental and retroflex articulation, while Oromo, Saraiki and Ngad'a have but not.
The symbol for this, , is not "explicitly" approved by the IPA, but is mentioned in the IPA Handbook.Features of the voiced retroflex implosive:Occurrence
