Combining Diacritical Marks for Symbols

Combining diacritical marks for symbols

20D0 ◌⃐ Combining Left Harpoon Above
20D1 ◌⃑ Combining Right Harpoon Above
  vector
20D2 ◌⃒ Combining Long Vertical Line Overlay
  negation
20D3 ◌⃓ Combining Short Vertical Line Overlay
  occasional variant for negation
20D4 ◌⃔ Combining Anticlockwise Arrow Above
20D5 ◌⃕ Combining Clockwise Arrow Above
  rotation
20D6 ◌⃖ Combining Left Arrow Above
20D7 ◌⃗ Combining Right Arrow Above
  vector
20D8 ◌⃘ Combining Ring Overlay
20D9 ◌⃙ Combining Clockwise Ring Overlay
20DA ◌⃚ Combining Anticlockwise Ring Overlay
20DB ◌⃛ Combining Three Dots Above
  =third derivative
20DC ◌⃜ Combining Four Dots Above
  =fourth derivative

Enclosing diacritics

20DD ◌⃝ Combining Enclosing Circle
  =JIS composition circle
  =Cyrillic combining ten thousands sign
  25CB ○ white circle
  25EF ◯ large circle
  3007 〇 ideographic number zero
20DE ◌⃞ Combining Enclosing Square
  25A1 □ white square
20DF ◌⃟ Combining Enclosing Diamond
  25C7 ◇ white diamond
20E0 ◌⃠ Combining Enclosing Circle Backslash
  prohibition
  1F6C7 🛇 prohibited sign

Additional diacritical mark for symbols

20E1 ◌⃡ Combining Left Right Arrow Above
  tensor

Additional enclosing diacritics

20E2 ◌⃢ Combining Enclosing Screen
  239A ⎚ clear screen symbol
  1F5B5 🖵 screen
20E3 ◌⃣ Combining Enclosing Keycap
20E4 ◌⃤ Combining Enclosing Upward Pointing Triangle
  25B3 △ white up-pointing triangle

Additional diacritical marks for symbols

20E5 ◌⃥ Combining Reverse Solidus Overlay
  005C \ reverse solidus
20E6 ◌⃦ Combining Double Vertical Stroke Overlay
  =z notation finite function diacritic
  2016 ‖ double vertical line
  21FB ⇻ rightwards arrow with double vertical stroke
  2901 ⤁ rightwards two-headed arrow with double vertical stroke
  2915 ⤕ rightwards arrow with tail with double vertical stroke
20E7 ◌⃧ Combining Annuity Symbol
  =actuarial bend
  2309 ⌉ right ceiling
20E8 ◌⃨ Combining Triple Underdot
20E9 ◌⃩ Combining Wide Bridge Above
  =contraction operator
  extends the full width of the base character
  0346 ◌͆ combining bridge above
20EA ◌⃪ Combining Leftwards Arrow Overlay
  2190 ← leftwards arrow
20EB ◌⃫ Combining Long Double Solidus Overlay
  =long double slash overlay
20EC ◌⃬ Combining Rightwards Harpoon With Barb Downwards
20ED ◌⃭ Combining Leftwards Harpoon With Barb Downwards
20EE ◌⃮ Combining Left Arrow Below
20EF ◌⃯ Combining Right Arrow Below
20F0 ◌⃰ Combining Asterisk Above