Mathematical Bold Small T 𝐭

Visual Description: The glyph is the letter t rendered in a bold mathematical style. It appears as a small Latin character with consistent stroke width, more prominent than regular text. In math, it sits on the baseline with the same height as other bold letters. In interfaces, it often serves as a label for a parameter or variable.

Meaning & Usage: Bold small t emphasizes a variable and helps distinguish it from nearby symbols. It is common to treat t as a parameter, time, or index in formulas, especially when vectors or tensors are involved. In calculators and math editors, the bold form signals emphasis and separate roles for operations or comparisons.

Historical Background: These bold variants belong to a family of typographic forms created to keep mathematical notation visually distinct. The bold Latin set enables writers to mark vectors, matrices, or special quantities without changing the underlying letter. Unicode and font designers expanded support so that readers can recognize structure in formulas and software.

Practical Use: In practical math work, you insert the bold t by selecting the character in a symbol palette or by applying bold styling to the regular t. It helps label time steps, components, or parametric values in equations. Users see it in calculators, graphing tools, and quick UI controls for performing comparisons or toggling modes.

See our category page for related symbols.

Look‑alikes: t (U+74).

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