Equal to by Definition Symbol (≝)
Copy the Equal to by Definition symbol ≝ to your clipboard, and see its Unicode code point, HTML entity, LaTeX command and how to type it on any device.
What does ≝ mean?
≝ (Equal to by Definition, U+225D) belongs to the Unicode Mathematical Operators block. It is a relation sign for equality, equivalence or approximation, used where an ordinary = would be too strong or too weak.
Codes and properties
| Character | ≝ |
|---|---|
| Unicode name | EQUAL TO BY DEFINITION |
| Code point | U+225D |
| Decimal | 8797 |
| Unicode block | Mathematical Operators |
| HTML entity | ≝ · ≝ |
| CSS | \225D |
| JavaScript / JSON | \u225D |
| Python | \u225D or \N{EQUAL TO BY DEFINITION} |
| UTF-8 bytes | E2 89 9D |
| LaTeX | paste ≝ with unicode-math (XeLaTeX/LuaLaTeX) |
How to type ≝
- Copy & paste: press the Copy button above, then paste ≝ anywhere — Word, Google Docs, email, chat or code.
- Windows (Word, WordPad, Outlook): type
225Dthen press Alt+X. In any app, Win+. opens the symbol panel. - Mac (any symbol): switch to the Unicode Hex Input keyboard, hold Option and type
225D; or press Ctrl+Cmd+Space and search “equal to by definition”. - Linux (GTK/IBus): press Ctrl+Shift+U, type
225d, then Space. - HTML:
≝renders as ≝. - LaTeX: standard LaTeX has no dedicated command; compile with XeLaTeX or LuaLaTeX and the unicode-math package, then paste ≝ directly.
Frequently asked questions
How do I type ≝ on Windows?
In Microsoft Word type 225D and press Alt+X. In any app press Win+. to open the symbol panel, or copy ≝ from this page.
How do I type ≝ on a Mac?
Open the Character Viewer with Ctrl+Cmd+Space and search “equal to by definition”, or switch to Unicode Hex Input and hold Option while typing 225D.
What is the HTML code for ≝?
Use ≝ (hex) or ≝ (decimal).
What is the LaTeX command for ≝?
There is no standard command; use XeLaTeX or LuaLaTeX with unicode-math and paste ≝ directly.
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Reference: Unicode code chart: Mathematical Operators (U+2200–U+22FF)