U+33C9 "㏉" Square Gy Unicode Character
Unicode Version 17.0
㏉
U+33C9 "㏉" Square Gy is a CJK Compatibility Ideograph representing the unit abbreviation for gray, the SI unit of absorbed radiation dose, written as "Gy" enclosed within a square layout. This character belongs to the block of encoded symbols designed for compatibility with East Asian text standards, where units and abbreviations are often presented in a squared format to match the visual style of ideographic characters. It is used primarily in technical and scientific contexts, such as in Japanese or Chinese documents, to denote radiation measurement within a monospaced or ideographic text environment.
General Properties
| Code Point | U+33C9 |
| Version Added | 1.1 |
| Name | Square Gy |
| Unicode 1.0 Name | Squared Gy |
| Block | CJK Compatibility |
| General Category | Other Symbol |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
| Decomposition Type | Square |
| Decomposition Mapping | "G" U+0047 Latin Capital Letter G "y" U+0079 Latin Small Letter Y |
Encodings
| HTML Decimal Encoding | ㏉ |
| HTML Hex Encoding | ㏉ |
| UTF-8 Encoding | 0xE3 0x8F 0x89 |
| UTF-16 Encoding | 0x33C9 |
| UTF-32 Encoding | 0x000033C9 |
| C/C++/Java Escape | \u33c9 |
Unicode Properties
| NFC Quick Check | Yes |
| NFD Quick Check | Yes |
| Numeric Type | None |
| Numeric Value | NaN |
| Line Break | Ideographic |
| East Asian Width | Wide |
| Changes When NFKC Casefolded | Yes |
| NFKC Casefold | "g" U+0067 Latin Small Letter G "y" U+0079 Latin Small Letter Y |
| NFKC Simple Casefold | "g" U+0067 Latin Small Letter G "y" U+0079 Latin Small Letter Y |
| Script | Common |
| Script Extensions | Common |
| Indic Syllabic Category | Other |
| Vertical Orientation | Upright |
| Grapheme Base | Yes |
| Grapheme Cluster Break | Other |
| Word Break | Other |
| Sentence Break | Other |