Mathematical Bold Capital D Symbol
๐ is the mathematical bold capital letter D (U+1D403), used for styled typography and notation.
U+1D403
๐ is a Unicode character in the Mathematical Bold block. It looks like a bold, capital D and is commonly used where typographic emphasis matters. You can copy it directly or use its Unicode/HTML/CSS forms in software.
Mathematical Bold Capital D Symbol Meaning
๐ (MATHEMATICAL BOLD CAPITAL D, U+1D403) is a Unicode mathematical bold variant of the uppercase letter D. Characters in this block are typically used to match math-style typographyโsuch as emphasizing a variable, matrix, set label, or a named mathematical objectโwithout relying on font-weight alone. Because it is a distinct code point, it will render consistently with Unicode-supporting fonts and will preserve the intended โmathematical boldโ look. In general writing, it functions as a stylized capital D rather than a separate letter with a different linguistic meaning.
Common uses
- โขMathematical notation for variables or constants labeled with D in bold math style
- โขDesigning posters, slides, or headers that need a math-like bold D character
- โขCreating consistent symbol labeling in diagrams (e.g., domain/range markers that start with D)
- โขTypography for technical writing where bold math letters are preferred over faux-bold text
- โขUI/UX mockups that use Unicode symbols for styled headings or identifiers
Examples
๐ โ Mathematical Bold Capital D
- ๐Let ๐ denote a bold constant.
- ๐Matrix ๐ is invertible under the given conditions.
- ๐Choose the set labeled ๐ for the sample space.
- ๐The operator ๐ maps inputs to outputs.
- ๐See ๐ in the diagram legend.
Variations
Ready to copy
Technical codes
| Unicode | U+1D403 | |
| HTML Entity | 𝐃 | |
| HTML Code | 𝐃 | |
| CSS | \1D403 | |
| Decimal | 119811 |
How to type Mathematical Bold Capital D Symbol (๐)
On Windows
In Word, type 1D403 then press Alt + X. Or open the emoji picker with Windows key + period.
On Mac
Press Control + Command + Space to open Character Viewer and search for the character.
On Linux
Press Control + Shift + U, type 1d403, then press Enter or Space.
Anywhere
Copy ๐ with the button above and paste it wherever you need it โ this works on every device and in every app, with no keyboard shortcut to remember.
FAQ
What does the Mathematical Bold Capital D symbol mean?
๐ (MATHEMATICAL BOLD CAPITAL D, U+1D403) is a Unicode mathematical bold variant of the uppercase letter D. Characters in this block are typically used to match math-style typographyโsuch as emphasizing a variable, matrix, set label, or a named mathematical objectโwithout relying on font-weight alone. Because it is a distinct code point, it will render consistently with Unicode-supporting fonts and will preserve the intended โmathematical boldโ look. In general writing, it functions as a stylized capital D rather than a separate letter with a different linguistic meaning.
What Unicode character is ๐?
๐ is MATHEMATICAL BOLD CAPITAL D with Unicode code point U+1D403.
How can I copy ๐ here?
Select and copy the character shown on this page (๐), then paste it wherever you need it.
Can I use HTML or CSS escapes for ๐?
Yes. Use HTML entity 𝐃 or CSS escape \\1D403. For JavaScript, you can use \\u{1D403}.
Is ๐ the same as a normal bold D (D with font-weight)?
Not exactly. ๐ is a specific Unicode code point with a dedicated glyph in the Mathematical Bold block, so it preserves the intended math-bold appearance more reliably than simulated bold styling.