What ⦾ means
The formula or diagram must define it. The outline and inner white circle do not identify an operation by themselves; follow the notation's definitions or legend.
An ISO AMS mathematical entity set is a list of named symbols for markup; its entry for ⦾ is olcir.
In ordinary prose, ⦾ reads as deliberately technical.
As of 2026, Unicode's math guidance notes that math fonts size circled forms inconsistently; check ⦾ beside the rest of the formula.
Part of the collection
Don't confuse it with
2Questions 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.
Collections with ⦾
3How to type or find ⦾
- Also called
- olcir
- Search it as
- circle-in-circle math symbol · circled bullet symbol · bullseye sign
- Shows up in
- Anything that takes text · its shape is whatever your font draws
⦾\29BECodes and encoding1 code points
A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.






