U+1D46B "𝑫" Mathematical Bold Italic Capital D Unicode Character
Unicode Version 17.0
𝑫
U+1D46B "𝑫" Mathematical Bold Italic Capital D is a stylized glyph that represents a bold and italic version of the capital letter D, designed specifically for use in mathematical and scientific notation. It belongs to the Mathematical Alphanumeric Symbols block, which provides distinct letterforms to avoid confusion with ordinary text and to denote specific meanings such as variables, constants, or vectors. This character is typically rendered in a serif style, combining the weight of bold type with the slant of italics, and is commonly employed in academic and technical documents to signify a matrix, a set, or a special mathematical entity.
General Properties
| Code Point | U+1D46B |
| Version Added | 3.1 |
| Name | Mathematical Bold Italic Capital D |
| Block | Mathematical Alphanumeric Symbols |
| General Category | Uppercase Letter |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
| Decomposition Type | Font |
| Decomposition Mapping | "D" U+0044 Latin Capital Letter D |
Encodings
| HTML Decimal Encoding | 𝑫 |
| HTML Hex Encoding | 𝑫 |
| UTF-8 Encoding | 0xF0 0x9D 0x91 0xAB |
| UTF-16 Encoding | 0xD835 0xDC6B |
| UTF-32 Encoding | 0x0001D46B |
| C/C++/Java Escape | \ud835\udc6b |
Unicode Properties
| NFC Quick Check | Yes |
| NFD Quick Check | Yes |
| Numeric Type | None |
| Numeric Value | NaN |
| Line Break | Alphabetic |
| Uppercase | Yes |
| Cased | Yes |
| Changes When NFKC Casefolded | Yes |
| NFKC Casefold | "d" U+0064 Latin Small Letter D |
| NFKC Simple Casefold | "d" U+0064 Latin Small Letter D |
| Script | Common |
| Script Extensions | Common |
| Indic Syllabic Category | Other |
| ID Start | Yes |
| XID Start | Yes |
| ID Continue | Yes |
| XID Continue | Yes |
| Alphabetic | Yes |
| Math | Yes |
| Other Math | Yes |
| Vertical Orientation | Rotated |
| Grapheme Base | Yes |
| Grapheme Cluster Break | Other |
| Word Break | Alphabetic letter |
| Sentence Break | Upper |