Voiceless retroflex flap

The voiceless retroflex flap or tap is a sound that has been reported to occur as a dialectal realization of /ʂ/ in the Dhivehi language.[1] The symbol in the International Phonetic Alphabet that represents this sound is ɽ̊, and the equivalent X-SAMPA symbol is r`_0.

Voiceless retroflex flap
IPA Number105 402B
Unicode (hex)U+027D U+030A


Features of the voiceless retroflex flap:

  • Its manner of articulation is tap or flap, which means it is produced with a single contraction of the muscles so that one articulator (usually the tongue) is thrown against another.
  • Its phonation is 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 an oral consonant, which means air is allowed to escape through the mouth only.
  • It is a central consonant, which means it is produced by directing the airstream along the center of the tongue, rather than to the sides.


Language Word IPA Meaning Notes
Dhivehi Some dialects[1] May be a trill instead.[1] Corresponds to /ʂ/ in other dialects.[1]
Norwegian Selbu dialect lk [mœɽ̊k] 'milk' Uncommon allophone of /ɽ/ before k and p.[2]


  1. Maumoon (2002:35)
  2. Dalen, Arnold (15 October 2008). Trøndersk språkhistorie. Fagbokforlaget. ISBN 978-82-519-2330-9.


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