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㴳

cjk compatibility ideograph-2f90a

CJK Compatibility Ideograph 2F90A

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㴳 is a separate encoding of 㴳, a Han character the Shuowen Jiezi dictionary glosses as “mud.” It preserves an entry from Taiwan’s CNS character set so a text can convert to Unicode and back without losing that source identity. Unicode normalization turns it into 㴳.

Text symbol

What 㴳 means

It preserves one CNS source entry.

Taiwan’s CNS 11643-1992 assigns it plane 4, position 3E33. The Unicode chart maps it to 㴳, keeping the source distinction available for round-trip conversion.

What happens when Unicode normalizes 㴳?

It becomes 㴳 in all four standard forms.

NFC, NFD, NFKC, and NFKD all map this compatibility form to 㴳. That makes equivalent text use a consistent code-point sequence; a process that needs the original CNS identity must preserve it separately.

A technical encoding form for CNS text conversion.

Use 㴳 in ordinary writing; reserve 㴳 for CNS round-trip conversion.

Who writes 㴳

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Questions people ask

1

Why does 㴳 show as a box on some devices?

Not every system ships a font for the CJK Compatibility Ideographs Supplement block. Where none is installed, the character shows as an empty box; adding a font such as Noto fixes it. The character itself is still correct and copies correctly.

How to type or find 㴳

Search it as
cns11643 · normalization · 㴳
Shows up in
Anything that takes text · its shape is whatever your font draws
Windows (Word)
⎇Alt+XType 2F90A, then AltX to get 㴳.
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 compatibility ideograph-2f90a”.
Linux
⎈Ctrl+⇧Shift+UType 2f90a, then Enter or Space.
HTML
㴳
CSS
\2F90A
Request the mapped glyph
The Unicode chart registers 㴳 followed by invisible variation selector UFE00 as the variant sequence for this form.
Codes and encoding1 code points
HTML decimal
㴳
HTML hex
㴳
CSS content
content: "\2F90A";
Each escape is closed by the next backslash; a trailing space is needed before a literal hex digit.
URL encoded
%F0%AF%A4%8A
1
On screen
1
Code points
2
JS .length
4
UTF-8 bytes

A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.

Families this belongs to

2

Chinese characters99,354 symbols

Chinese, Japanese & Korean121,370 symbols