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. (phonetics, rare) the triple pipe, a transcription for a second lateral click distinct from [ǁ].[1]
  3. (IPA) Used to indicate a prosodic break greater than that of .

Usage notes

The character U+2980 is recommended for the click letter by Unicode and is supported by SIL fonts (e.g. proper placement of IPA diacritics). The six basic ⦀-clicks are:

Velar Uvular
Voiceless ⦀̥ k͜⦀ q͜⦀
Voiced ⦀̬ ɡ͜⦀ ɢ͜⦀
Nasal ⦀̬̃ ŋ͜⦀ ɴ͜⦀

The tie bar may be omitted, or the accompanying letter may be superscripted: ᵏ⦀ ᶢ⦀ ᵑ⦀ 𐞥⦀ 𐞒⦀ ᶰ⦀.

References

  1. ^ * Essing 1964 "Die Urbevölkerung des südlischen Afrika." Neues Afrika 6(7): 238–239.
    * Miller-Ockhuizen & Sands 2000 "Contrastive lateral clicks and variation in click types." Sixth International Conference on Spoken Language Processing (ICSLP 2000), Beijing, China, October 16–20.