Labiodental flap
| Labiodental flap | |||
|---|---|---|---|
| ⱱ | |||
| IPA number | 184 | ||
| Encoding | |||
| Entity (decimal) | ⱱ |
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| Unicode (hex) | U+2C71 | ||
| Braille |
 
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| Sound | |||
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In phonetics, the labiodental flap is a speech sound found primarily in languages of Central Africa, such as Kera and Mangbetu. It has also been reported in the Austronesian language Sika. It is one of the few non-rhotic flaps. The sound begins with the lower lip placed behind the upper teeth. The lower lip is then flipped outward, striking the upper teeth in passing.
The symbol in the International Phonetic Alphabet that represents this sound is ⟨ⱱ⟩, which resembles Cyrillic izhitsa, ⟨ѵ⟩, but is composed of a vee and the hook of the flap ⟨ɾ⟩. In 2005, the International Phonetic Association, responding to Dr. Kenneth S. Olson's request for its adoption, voted to include a symbol for this sound, and selected a v with a right hook. This symbol is a combination of ⟨v⟩ + ⟨ɾ⟩ (the letters for the voiced labiodental fricative and the alveolar flap). As of version 5.1.0, the Unicode character set encodes this character at U+2C71 (ⱱ). In earlier literature, it is often transcribed by a v modified by the extra-short diacritic, ⟨v̆⟩, following a 1989 recommendation of the International Phonetic Association. Another historic symbol for this sound was v with curl ⟨ⱴ⟩, which had been employed in articles from the School of Oriental and African Studies, by Joseph Greenberg, and others.
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