U+1D46B "𝑫" Mathematical Bold Italic Capital D Unicode Character

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.