Latin subscript small letter x (ₓ) is the Unicode character at U+2093 in Superscripts and Subscripts. Official name: LATIN SUBSCRIPT SMALL LETTER X — a small spacing x drawn at subscript position. Used in chemistry and math text.
Remember
Character ₓ
Unicode U+2093
Hex entity ₓ
Decimal ₓ
CSS escape \2093
Named entity (none)
Sample aₓ
Not the same x · <sub>x</sub> · combining x (U+036F)
Prefer ₓ or ₓ in HTML when you need this Unicode glyph. For most formulas, prefer semantic <sub>x</sub> instead.
Built with Hex: ₓ
Built with Decimal: ₓ
Built with CSS: ₓ
Typed: ₓ
Sample: aₓ
How It Works
1. Hex:U+2093 → ₓ in HTML. The browser turns it into ₓ.
2. Decimal: same code point as 8339 → ₓ. Same result as hex.
3. CSS: use \2093 in content (not an HTML entity). #point::after appends ₓ.
4. Typed: paste ₓ in a UTF-8 document when you need this Unicode subscript glyph. There is no named entity — numeric form is required when you need an entity.
Pitfalls & Tips
Common mistakes when working with Latin subscript small letter x.
Named?
No named entity
HTML5 does not define a named entity for U+2093. Use ₓ or ₓ.
Semantics
Prefer <sub> for formulas
For chemistry and math in HTML, <sub>x</sub> is usually clearer, more accessible, and easier to style than a special Unicode glyph.
Look-alikes
Not combining x
Combining Latin small letter x is U+036F — it stacks on a base. ₓ is a spacing subscript character.
Fonts
Need subscript coverage
Some fonts omit Superscripts and Subscripts letters. Prefer a font that includes U+2093 for reliable glyphs.
CSS
Pad the CSS escape
Prefer \2093 (four hex digits). Ending the escape cleanly avoids swallowing the next character if it is a hex digit.
CSS vs HTML
Do not mix escapes
\2093 belongs in CSS strings. ₓ / ₓ belong in HTML.
Semicolon
End references
Always finish entities with ; — write ₓ, not ₓ.
Compatibility
Browser Support
Latin subscript small letter x (U+2093) and its entity forms (ₓ, ₓ, CSS \\2093) are supported in all mainstream browsers. Visible glyphs depend on Superscripts and Subscripts font coverage.
✓ Universal support
Lowercase X Latin Subscript (ₓ)
Encode with hex, decimal, CSS escape, or type the character — same code point everywhere encoding is supported.
100%Browser coverage
Google ChromeSupported
Yes
Microsoft EdgeSupported
Yes
Mozilla FirefoxSupported
Yes
Apple SafariSupported
Yes
OperaSupported
Yes
Internet ExplorerAll versions
Yes
U+2093Full support
Bottom line: Prefer ₓ or ₓ when you need this Unicode glyph, and \\2093 only inside CSS content. For most formulas, prefer <sub>x</sub>.
Remember
Key Takeaways
Unicode: Latin subscript small letter x is U+2093 (decimal 8339) — glyph ₓ.
One line:U+2093 → ₓ / ₓ / CSS \2093 (no named entity).
Frequently Asked Questions
Use ₓ (hex), ₓ (decimal), type ₓ in UTF-8, or the CSS escape \2093 in content. There is no HTML5 named entity for U+2093.
U+2093 (LATIN SUBSCRIPT SMALL LETTER X). Hex 2093, decimal 8339. It belongs to Superscripts and Subscripts (U+2070–U+209F).
No. HTML5 does not define a named entity for this character. Use numeric references like ₓ or ₓ when you need an entity form.
Use U+2093 when you need the exact Unicode subscript glyph in plain text. Prefer <sub>x</sub> for most chemical or math HTML — it is more accessible and styleable.
HTML entities (ₓ or ₓ) go in markup. The CSS escape \2093 goes in stylesheet strings (usually content on ::before/::after).
No. U+2093 is a spacing subscript letter. Combining x (U+036F) attaches above a base. Plain x is U+0078.
🤔
Did you know?
Latin subscript small letter x is Unicode U+2093 (decimal 8339) — LATIN SUBSCRIPT SMALL LETTER X in Superscripts and Subscripts. HTML5 has no named entity for it — use ₓ or ₓ. It is a spacing character (not a combining mark). For most formulas, prefer semantic <sub>x</sub> unless you need this exact Unicode glyph.
