What 𝛃 means
The weight carries mathematical meaning. Bold lowercase letters commonly mark vectors in physics and applied math; the equation defines what β names.
Scientific publishers were already using distinct mathematical letter styles by 1998. A Unicode proposal that year argued that bold and plain letters can name different variables, so plain text should preserve the distinction.
Technical mathematical notation; bold can signal a distinct variable.
Part of the collection
Don't confuse it with
1Questions people ask
1Why does 𝛃 show as a box?
MathML 4, a standard for web equations, depends on available math-font glyphs. Without a usable 𝛃 glyph, a renderer may show a box or substitute.
How to type or find 𝛃
- Search it as
- vector · latex
- Shows up in
- Anything that takes text · its shape is whatever your font draws
𝛃\1D6C3\boldsymbol{\beta} (with amsmath) to typeset bold beta; this is markup, not the Unicode character itself.Codes and encoding1 code points
A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.



