What 鐢 means
鐢 belongs to a fence-related graph series with 棥 and 樊.
The early Chinese character dictionary 說文解字 glosses 棥 as 樊篱 (“fence or screen”); 棥 was later written 樊. Related 樊 forms appear in Western Zhou bronze inscriptions.
The 2026 entry in Taiwan’s CNS11643 character database cites Hong Kong and U.S. Library of Congress records for 鐢. These are specialist character records, not evidence of ordinary chat shorthand.
Specialist character-reference territory, not ordinary chat shorthand.
For alum, use 礬.
Don't confuse it with
1Questions people ask
1Why does 鐢 look wrong?
A missing box or changed outline usually means your font lacks this rare character. As of 2026, support still varies across CJK fonts.
How to type 鐢
Windows (Word)
Alt+XType 9422, then Alt+X to get 鐢.
Windows
Win+Rrun charmap for the full table, or use the emoji picker's Ω symbols tab (Win + .).
macOS
Control+Command+SpaceOpen the character viewer and search “cjk unified ideograph-9422”.
Linux
Ctrl+Shift+UType 9422, then Enter or Space.
HTML
鐢CSS
\9422Codes and encoding1 code points
HTML decimal
鐢
HTML hex
鐢
CSS content
content: "\9422";
Each escape is closed by the next backslash; a trailing space is needed before a literal hex digit.
URL encoded
%E9%90%A2
1
On screen
1
Code points
1
JS .length
3
UTF-8 bytes
A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.