Mathematical Bold Fraktur Small U 𝖚

Visual Description: The character is a small u rendered in a bold Fraktur style. It has sharp, angular strokes and a dark, dense line. The overall shape remains recognizable as a u, but with a decorative, historic touch that makes it stand out in equations. It reads easily in print.

Meaning & Usage: This glyph signals a variable or parameter in math contexts. It can denote a specific quantity, a placeholder, or a unique object in a formula. In typesetting, bold Fraktur supports visual distinction from standard letters, aiding quick recognition in lists or proofs.

Historical Background: The Fraktur style has long informed the look of mathematical lettering. It emerged as a practical option for printers and educators who wanted a distinct but legible way to mark special objects. Over time, bold variants were adopted to emphasize variables without changing meaning.

Practical Use: In math editors and calculators, you might see this style as a ready option when labeling inputs or results. It helps separate variables from constants and operators. Quick UI controls let you switch font styles, compare symbols side by side, or style a single symbol without retyping.

See our category page for related symbols.

Look‑alikes: u (U+75).

Need styled alternatives? Try the Fancy Text tool.