U+1D42E "𝐮" Mathematical Bold Small U Unicode Character

Unicode Version 18.0

𝐮
Source: Noto Sans Math Source: Browser Default

U+1D42E "𝐮" Mathematical Bold Small U is a glyph representing the lowercase letter 'u' in a bold typeface, designed specifically for use in mathematical and scientific notation to distinguish variables, vectors, or symbols from regular text. It belongs to the Mathematical Alphanumeric Symbols block, which was introduced to allow clear, unambiguous representation of mathematical expressions in plain text without relying on formatting or fonts. This character is commonly used in contexts such as calculus, physics, and engineering, where bold letters often denote vectors or matrices.

Encodings

HTML Decimal Encoding
𝐮
HTML Hex Encoding
𝐮
UTF-8 Encoding
0xF0 0x9D 0x90 0xAE
UTF-16 Encoding
0xD835 0xDC2E
UTF-32 Encoding
0x0001D42E
C/C++/Java Escape
\ud835\udc2e