Union Symbol (∪)
Union Symbol
The union symbol combines all elements belonging to either of two or more sets.
Codes for ∪
| Unicode | |
|---|---|
| HTML entity | |
| HTML decimal | |
| HTML hexadecimal | |
| CSS escape | |
| JavaScript |
How to Type ∪ on Windows and Word
For the most reliable Windows method, copy the symbol from this page. In Microsoft Word, type 222A and press Alt+X. Word converts the hexadecimal Unicode value into ∪. Press Alt+X again to switch the symbol back to its code.
How to Type ∪ on Mac, Chromebook, and Linux
On a Mac, open Character Viewer with Control+Command+Space, search for “Union Symbol”, and insert it. Chromebook users can copy the symbol or use the Unicode input method where supported. On Linux, press Ctrl+Shift+U, type 222a, and press Enter.
Examples and Correct Usage
A ∪ B contains elements from A, B, or both.
Use the actual Unicode character rather than a visually similar keyboard substitute when the distinction matters in mathematics, science, accessibility, searching, or data processing.