Dot (diacritic)

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◌̇  ◌̣
Dot
  • U+0307 ◌̇ COMBINING DOT ABOVE
  • U+0323 ◌̣ COMBINING DOT BELOW

When used as a diacritic mark, the term dot refers to the glyphs "combining dot above" (◌̇), and "combining dot below" (◌̣) which may be combined with some letters of the extended Latin alphabets in use in a variety of languages. Similar marks are used with other scripts.

Overdot

Language scripts or transcription schemes that use the dot above a letter as a diacritical mark:

In mathematics and physics, when using Newton's notation the dot denotes the time derivative as in . In addition, the overdot is one way used to indicate an infinitely repeating set of numbers in decimal notation, as in , which is equal to the fraction 13, and or , which is equal to

17
.

Underdot

Raised dot and middle dot

Letters with dot

Encoding

In Unicode, the dot is encoded at:

  • U+0307 ◌̇ COMBINING DOT ABOVE

and at:

  • U+0323 ◌̣ COMBINING DOT BELOW
  • U+0358 ◌͘ COMBINING DOT ABOVE RIGHT
  • U+1DF8 ◌᷸ COMBINING DOT ABOVE LEFT

There is also:

  • U+02D9 ˙ DOT ABOVE (˙, ˙)
  • U+18DF CANADIAN SYLLABICS FINAL RAISED DOT

Pre-composed characters:

See also

References

External links