U+25B3 "△" White Up-Pointing Triangle Unicode Character
Unicode Version 17.0
△
U+25B3 "△" White Up-Pointing Triangle is a geometric symbol that represents an equilateral triangle with its apex oriented upward, typically rendered as an outlined shape with a transparent or white interior. It is part of the Geometric Shapes block in Unicode, where it is used in various technical and mathematical contexts, such as denoting the Laplace operator (often called "del squared") in physics and engineering when combined with other symbols. In addition, this character appears in diagramming, flowchart notations, and some typographic decorations, serving as a directional indicator or a placeholder for an upward orientation in abstract representations.
General Properties
| Code Point | U+25B3 |
| Version Added | 1.1 |
| Name | White Up-Pointing Triangle |
| Unicode 1.0 Name | White Up Pointing Triangle |
| Block | Geometric Shapes |
| General Category | Other Symbol |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Other Neutral |
Encodings
| HTML Decimal Encoding | △ |
| HTML Hex Encoding | △ |
| UTF-8 Encoding | 0xE2 0x96 0xB3 |
| UTF-16 Encoding | 0x25B3 |
| UTF-32 Encoding | 0x000025B3 |
| C/C++/Java Escape | \u25b3 |