What ⦲ means
⦲ is the empty set with small circle above. Unicode classifies it as a mathematical symbol and files it in the Miscellaneous Mathematical Symbols-B block; this site shelves it under Maths.
Its appearance depends on the font and text styling.
How it is encoded
⦲ is a single code point, U29B2. In HTML that is ⦲, and in CSS \29B2.
Questions people ask
1Why does ⦲ show as a box on some devices?
Because that device's fonts have no glyph for it. The character is still correct and still copies correctly — the box is a missing glyph, not a broken character.
How to type or find ⦲
- Search it as
- empty set with small circle above symbol · empty set with small circle above copy paste
- Shows up in
- Anything that takes text · its shape is whatever your font draws
⦲\29B2Codes and encoding1 code points
A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.

