What ⥈ means
Its exact role depends on the notation using it.
Unicode classifies it as a relation symbol—a sign used between expressions—and math-aware typesetting can use that class for spacing. In the ISO mathematical entity set, its name is harrcir.
A proposal in 2000 included it in a set of symbols intended for complete mathematical rendering and exchange.
Why can ⥈ look different across documents?
Fonts draw it differently; older encodings may lose it.
Different fonts can draw the arrow and circle in different styles; that changes its appearance, not its identity.
An older encoding without ⥈ may reject or replace it during conversion. Use a Unicode-capable format when a text system cannot represent it.
Technical and obscure outside mathematical notation.
In casual prose, readers may not know which relation you intend.
Don't confuse it with
4Questions 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 ⥈
⥈\2948Codes and encoding1 code points
A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.