HTML Entity for Lowercase E Latin Subscript (ₑ)

Beginner
⏱️ 5 min read
📚 Updated: Jun 2026
🎯 1 Code Example
Unicode U+2091
HTML Entity for Lowercase E Latin Subscript tutorial illustration

What You'll Learn

How to display the Latin subscript small letter e (ₑ) in HTML using hexadecimal, decimal, and CSS escape methods. This character is used in chemical formulas, electron notation, mathematics, and phonetic transcription. It is U+2091 in the Superscripts and Subscripts block.

Render it with ₑ, ₑ, or CSS escape \2091. There is no named HTML entity for this character, so numeric codes or CSS must be used.

⚡ Quick Reference — Lowercase E Latin Subscript Entity

Unicode U+2091

Superscripts and Subscripts

Hex Code ₑ

Hexadecimal reference

HTML Code ₑ

Decimal reference

Named Entity —

No named entity

Reference Table
Name           Value
────────────   ──────────
Unicode        U+2091
Hex code       ₑ
HTML code      ₑ
Named entity   (none)
CSS code       \2091
Meaning        Latin subscript small letter e
Block          Superscripts and Subscripts (U+2070–U+209F)
1

Complete HTML Example

A simple example showing the Latin subscript small letter e (ₑ) using hexadecimal code, decimal HTML code, and a CSS content escape:

html
<!DOCTYPE html>
<html>
<head>
 <style>
  #point:after{
   content: "\2091";
  }
 </style>
</head>
<body>
<p>Symbol (hex): &#x2091;</p>
<p>Symbol (decimal): &#8337;</p>
<p id="point">Symbol (CSS): </p>
<p>In context: v&#x2091;</p>
</body>
</html>
Try it Yourself

🌐 Browser Support

The Latin subscript small letter e (ₑ) renders correctly in modern browsers when UTF-8 is used:

Chrome1+
Firefox1+
Safari1+
Edge12+
Opera4+
Android4.4+
iOS Safari1+

👀 Live Preview

See the Latin subscript small letter e (ₑ) in context:

Large glyphₑ
In formulavₑ
Not the same as<sub>e</sub> (styled text) or plain e
Numeric refs&#x2091; &#8337; \2091

🧠 How It Works

1

Hexadecimal Code

&#x2091; uses the Unicode hexadecimal value 2091 to display the character. The x prefix indicates hexadecimal format.

HTML markup
2

Decimal HTML Code

&#8337; uses the decimal Unicode value 8337 to display the same character. A common method for subscript characters.

HTML markup
3

CSS Entity

\2091 is used in CSS stylesheets, particularly in the content property of pseudo-elements like ::before and ::after.

CSS stylesheet
=

Same visual result

All three methods produce the glyph: ₑ. Unicode U+2091 is a standalone subscript character, not the same as <sub>e</sub>. There is no named HTML entity.

✅

Use Cases

The Latin subscript small letter e (ₑ) is commonly used in:

🧪 Chemistry

Variable subscripts and electron notation in chemical and scientific formulas.

🔤 Phonetic notation

Linguistic and IPA-style notation where subscript letters indicate sounds or variants.

📐 Mathematics

Expressions with letter subscripts (e.g. vₑ) for consistent rendering across fonts.

📄 Publishing

Academic and scientific content requiring correct subscript letter glyphs.

🎨 Typography

Equations and styled text needing the subscript e glyph across fonts.

🔍 Accessibility

Using the actual character ₑ for consistent indexing and screen reader behavior.

📚 Education

Textbooks and reference sites explaining subscript notation in formulas and science.

💡 Best Practices

Do

  • Use &#8337; or &#x2091; in HTML (no named entity exists)
  • Serve pages as UTF-8; you can also type ₑ directly in UTF-8 source
  • Use fonts that support Superscripts and Subscripts (U+2070–U+209F)
  • Use ₑ when you need a standard subscript glyph character
  • Distinguish ₑ (U+2091) from plain e (U+0065)

Don’t

  • Assume a named entity exists—there is none for ₑ
  • Confuse ₑ with <sub>e</sub> (styled text, not the same glyph)
  • Put CSS escape \2091 in HTML text nodes
  • Assume all fonts render subscript characters identically
  • Omit UTF-8 encoding on pages with subscript characters

Key Takeaways

1

Three references render ₑ (no named entity)

&#x2091; &#8337;
2

For CSS stylesheets, use the escape in the content property

\2091
3

Unicode U+2091 — LATIN SUBSCRIPT SMALL LETTER E

4

Used in chemistry, mathematics, phonetic notation, and scientific content

5

Previous: Lowercase E Latin (ͤ)   Next: Lowercase E Macron

❓ Frequently Asked Questions

Use &#x2091; (hex), &#8337; (decimal), or \2091 in CSS content. There is no named HTML entity for this character.
U+2091 (LATIN SUBSCRIPT SMALL LETTER E). Superscripts and Subscripts block. Hex 2091, decimal 8337. Used in chemistry, mathematics, and phonetic notation.
In chemical formulas with letter subscripts, electron notation, mathematical expressions with letter subscripts, phonetic notation, and scientific content requiring a small e below the baseline.
HTML code (&#8337; or &#x2091;) is used in HTML content. The CSS entity (\2091) is used in CSS, e.g. in the content property of pseudo-elements. Both produce ₑ but in different contexts.
No. There is no named HTML entity for ₑ. Use &#8337; or &#x2091; in HTML, or \2091 in CSS. This is standard for subscript characters in Unicode.

Explore More HTML Entities!

Discover 1500+ HTML character references — accented letters, symbols, and more.

All HTML Entities →

About the author

Mari Selvan M P
Mari Selvan M P 🔗

Developer, cloud engineer, and technical writer

  • Experience 12 years building web and cloud systems
  • Focus Full Stack Development, AWS, and Developer Education

I write practical tutorials so students and working developers can learn by doing—from databases and APIs to deployment on AWS.

AWS Certified Developer – Associate (Credly)

8 people found this page helpful

Lowercase E Latin (ͤ) Lowercase E Macron