⊅ Not A Superset Of

How to type Not A Superset Of on Mac / Windows / Linux?

Windows: Use the Emoji Panel (Win + .), the Character Map app, or copy/paste ⊅.

macOS: Use Character Viewer (Control + Command + Space) and search by name, or copy/paste.

Linux: In many Linux apps, press Ctrl + Shift + U, type 2285, then press Enter. If that doesn't work, use Character Map and copy/paste.

Microsoft Office: Type 2285 then press Alt + X.

How to type Not A Superset Of on iOS / Android?

On iOS, long-press the globe/emoji key and search in the symbol picker, or paste the symbol.

On Android, open the symbols keyboard or use your app’s character panel, then paste.

How to add Not A Superset Of in HTML?

Best practice is to include the literal character and serve your page as UTF-8. Use numeric references (or a named HTML entity, if available) only when you need an ASCII-only representation.

<meta charset="utf-8" />
<span>⊅ symbol</span>

<span>⊅ symbol</span>

<span>&#8837; symbol</span>

<span>&#x2285; symbol</span>

How to add Not A Superset Of in CSS?

CSS escapes work inside the content property. This is most useful with ::before or ::after.

.symbol::after {
  content: "\2285";
}

<span class="symbol"></span>

How to add Not A Superset Of in JavaScript / JSON?

Use Unicode escapes in strings for a stable, language-neutral representation.

const symbol = "\u2285";
console.log(symbol);

{
  "symbol": "\u2285"
}

How to add Not A Superset Of in URL / Query string?

Use percent-encoding. In JavaScript, use encodeURIComponent.

https://example.com?q=%E2%8A%85

How to add Not A Superset Of in Word / Google Docs / Excel?

In Word or Google Docs, go to Insert → Symbol (or Special Characters) and search the Unicode name.

In Word, you can type 2285 and press Alt+X to convert it.

=UNICHAR(8837)

Encoding notes

UTF-8 and UTF-16 byte sequences are listed above for developer tools, debugging, or data pipelines.