What 海 means
For lossless conversion with Taiwan’s CNS 11643 character-code set. The Unicode chart traces its source to T4-2A25, in the 1992 edition’s fourth plane. The sea character 海 has a much longer history: it appears in bronze inscriptions and bamboo-and-silk manuscripts from ancient Chu, a Chinese state.
Why does normalization turn it into 海?
It becomes 海. Every Unicode normalization form maps it to 海, so the separate code-point identity can be lost. The Unicode 17.0 chart also records variation sequence 6D77 FE01, which can request this glyph form; its sample does not dictate font design.
Who writes 海
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Related characters
1
Questions people ask
1Why does 海 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.
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How to type or find 海
- Search it as
- u+2f901 · 2f901 · cns 11643 · sea variant
- Shows up in
- Anything that takes text · its shape is whatever your font draws
海\2F901Codes and encoding1 code points
A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.