U+2980, ⦀
TRIPLE VERTICAL BAR DELIMITER
⥿
[U+297F]
Miscellaneous Mathematical Symbols-B
[U+2981]

Translingual

Symbol

  1. (mathematics) Delimits a norm or a norm-like function, distinguished from a norm denoted by ‖·‖.
  2. (linguistics, rare) the triple pipe, a transcription for a second lateral click distinct from [ǁ].[1] The character U+2980 is recommended for this use by Unicode and is supported by SIL fonts (e.g. proper placement of IPA diacritics).

Usage notes

The six basic ⦀-clicks are:

VelarUvular
Voiceless ⦀̥ k͜⦀q͜⦀
Voiced ⦀̬ ɡ͜⦀ɢ͜⦀
Nasal ⦀̬̃ ŋ͜⦀ɴ͜⦀

or:

VelarUvular
Voiceless ᵏ⦀𐞥⦀
Voiced ᶢ⦀𐞒⦀
Nasal ᵑ⦀ᶰ⦀

References

    • Essing 1964 "Die Urbevölkerung des südlischen Afrika." Neues Afrika 6(7): 238239.
      * Miller-Ockhuizen & Sands 2000 "Contrastive lateral clicks and variation in click types." Sixth International Conference on Spoken Language Processing (ICSLP 2000), Beijing, China, October 1620.
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