Left Parenthesis Extension Symbol
⎜ is the Left Parenthesis Extension symbol (U+239C) used to extend bracket-like shapes in technical text.
U+239C
The symbol ⎜ is known as the Left Parenthesis Extension. It’s a Unicode technical character (U+239C) often used to visually extend parentheses or bracketed notation. You can copy it directly or insert it using common HTML/CSS/JavaScript escapes.
Left Parenthesis Extension Symbol Meaning
⎜ (Unicode U+239C) is called the Left Parenthesis Extension. It’s a “technical” symbol intended for typesetting-like text layouts where a left parenthesis shape needs to visually extend alongside other matching glyphs. In practice, it helps create bracketed structures that look continuous or balanced when combined with related extension characters (such as right-side partners). Because it’s a specific Unicode character, its appearance can vary slightly by font, so testing in your target environment (web, document editor, or chat app) is recommended. It’s most common in formatting, programming-adjacent text, and documentation styles that rely on consistent symbol shapes.
Common uses
- •Creating extended parenthesis/bracket shapes in plain text
- •Formatting documentation or technical notes where visual grouping matters
- •Building decorative or structured UI text with consistent characters
- •Using Unicode escapes in code or templates when a specific glyph is required
- •Designing typography-like layouts in social posts or banners with Unicode symbols
Examples
⎜ Left Parenthesis Extension
- ⎜⎜x + 1⎜
- ⎜⎜a, b, c⎜
- ⎜⎜value⎜
- ⎜f(⎜n⎜) described here
- ⎜⎜step 1⎜ → ⎜step 2⎜
Variations
Ready to copy
Technical codes
| Unicode | U+239C | |
| HTML Entity | ⎜ | |
| HTML Code | ⎜ | |
| CSS | \239C | |
| Alt Code | Alt + 9116 | |
| Decimal | 9116 |
How to type Left Parenthesis Extension Symbol (⎜)
On Windows
Hold Alt and type 9116 on the numeric keypad. In Word, type 239C then press Alt + X.
On Mac
Switch to the Unicode Hex Input keyboard, then hold Option and type 239C. Or press Control + Command + Space and search.
On Linux
Press Control + Shift + U, type 239c, then press Enter or Space.
Anywhere
Copy ⎜ with the button above and paste it wherever you need it — this works on every device and in every app, with no keyboard shortcut to remember.
FAQ
What does the Left Parenthesis Extension symbol mean?
⎜ (Unicode U+239C) is called the Left Parenthesis Extension. It’s a “technical” symbol intended for typesetting-like text layouts where a left parenthesis shape needs to visually extend alongside other matching glyphs. In practice, it helps create bracketed structures that look continuous or balanced when combined with related extension characters (such as right-side partners). Because it’s a specific Unicode character, its appearance can vary slightly by font, so testing in your target environment (web, document editor, or chat app) is recommended. It’s most common in formatting, programming-adjacent text, and documentation styles that rely on consistent symbol shapes.
What is the Unicode code point for ⎜?
The symbol ⎜ has Unicode code point U+239C.
How can I insert ⎜ in HTML?
Use the HTML entity ⎜ where you want the symbol to appear.
What are the CSS or JavaScript escapes for ⎜?
CSS escape: \\239C. JavaScript escape: \\u{239C}.
Will ⎜ look the same in every app or font?
Not necessarily. As with most Unicode symbols, the exact appearance depends on the font used, so check in your target environment.