U+330A "㌊" Square Oomu Unicode Character
Unicode Version 17.0
㌊
U+330A "㌊" Square Oomu is a CJK (Chinese, Japanese, and Korean) compatibility ideograph that represents the Japanese word "ōmu," commonly referring to the parrot bird, but it also notably stands as an early telegraphic abbreviation or shortened form for the official Japanese metric unit of electrical resistance, the ohm. This character is classified within the "Squared Katakana Words" block, specifically encoded for compatibility with pre-existing Japanese character sets used in legacy systems and text communications.
General Properties
| Code Point | U+330A |
| Version Added | 1.1 |
| Name | Square Oomu |
| Unicode 1.0 Name | Squared Oomu |
| Block | CJK Compatibility |
| General Category | Other Symbol |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
| Decomposition Type | Square |
| Decomposition Mapping | "オ" U+30AA Katakana Letter O "ー" U+30FC Katakana-Hiragana Prolonged Sound Mark "ム" U+30E0 Katakana Letter Mu |
Encodings
| HTML Decimal Encoding | ㌊ |
| HTML Hex Encoding | ㌊ |
| UTF-8 Encoding | 0xE3 0x8C 0x8A |
| UTF-16 Encoding | 0x330A |
| UTF-32 Encoding | 0x0000330A |
| C/C++/Java Escape | \u330a |