What 㳃 means
㳃 is a variant of 淬, the Chinese character for quenching.
The older Chinese character dictionary 《說文解字》 defines 淬 as a water vessel for putting out fire. Later dictionary entries apply the word to quenching heated metal, then to soaking, dyeing, coldness, and figurative tempering.
㳃 vs 淬: which form should I use?
Use 淬 in Chinese; use 㳃 only when specified.
Chinese dictionaries treat 㳃 as a variant or nonstandard form of 淬. The standard graph is the usual choice in familiar Chinese compounds.
As of 2026, a Japanese kanji reference lists the Japanese readings of 㳃 as sai (サイ) and niragu (にらぐ), for hardening a blade.
㳃 is an uncommon variant graph; 淬 is the usual written form in ordinary Chinese.
Using 㳃 where ordinary Chinese text expects 淬 can look like a typo.
Who writes 㳃
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Don't confuse it with
2Worth knowing
- Chinese compounds normally use 淬: 淬火 is quenching, while 淬炼 and 淬砺 use the image figuratively for tempering or hardening character.
Questions people ask
1Why does 㳃 show as a box?
The font or app may lack this rare glyph. Japanese character references still described its display as environment-dependent as of 2026, so valid text can appear as a box or fallback shape.
How to type or find 㳃
- Search it as
- 㳃 · 淬 · 焠 · 淬火 · 淬炼 · 淬砺 · cui · sai
- Shows up in
- Anything that takes text · its shape is whatever your font draws
㳃\3CC3Codes and encoding1 code points
A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.



