What ⏡ means
It marks a mathematical expression from underneath.
That is the bottom tortoise shell bracket’s role in a formula: a horizontal delimiter, or mark that brackets an expression, paired with upper . Its position tells you which side of the expression it marks.
Unicode working-group minutes from 2005–2006 record mathematical users treating the upper and lower forms as a pair and adding the lower form to complete it. The minutes document a standardization decision, not the shape’s first appearance.
Specialist mathematical notation; its lower position shows which side of an expression it marks.
Part of the collection
Don't confuse it with
2
Questions people ask
1Why does ⏡ look different across fonts?
Different fonts draw the same character with slightly different curves. Its role stays the lower horizontal delimiter in mathematical notation.
More like this
9
Collections with ⏡
1
How to type or find ⏡
- Search it as
- ⏡ symbol · under bracket · tortoise shell bracket · math delimiter · horizontal math bracket · ⏠ pair
- Shows up in
- Anything that takes text · its shape is whatever your font draws
⏡\23E1Codes and encoding1 code points
A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.