U+1EE0 "Ỡ" Latin Capital Letter O with Horn and Tilde Unicode Character
U+1EE0 "Ỡ" Latin Capital Letter O with Horn and Tilde is a specialized letter used in the Vietnamese alphabet, where it represents a distinct vowel sound that combines the "horn" diacritic, which modifies the base letter O to indicate a rounded, back vowel, with the tilde diacritic, which marks a creaky or rising-falling tone in the Vietnamese tonal system. This character is part of the Latin Extended Additional block in Unicode, and it is typically employed in formal written Vietnamese to accurately reflect the pronunciation and tonal inflection of certain words, such as those found in the word "chỡi" meaning to refuse. Its inclusion in the standard ensures proper digital representation and processing of Vietnamese text across various platforms and fonts.
General Properties
| Code Point | U+1EE0 |
| Version Added | 1.1 |
| Name | Latin Capital Letter O with Horn and Tilde |
| Block | Latin Extended Additional |
| General Category | Uppercase Letter |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
| Decomposition Type | Canonical |
| Decomposition Mapping | "Ơ" U+01A0 Latin Capital Letter O with Horn "̃" U+0303 Combining Tilde |
Encodings
| HTML Decimal Encoding | Ỡ |
| HTML Hex Encoding | Ỡ |
| UTF-8 Encoding | 0xE1 0xBB 0xA0 |
| UTF-16 Encoding | 0x1EE0 |
| UTF-32 Encoding | 0x00001EE0 |
| C/C++/Java Escape | \u1ee0 |
Unicode Properties
| NFC Quick Check | Yes |
| NFKC Quick Check | Yes |
| Numeric Type | None |
| Numeric Value | NaN |
| Line Break | Alphabetic |
| Uppercase | Yes |
| Simple Lowercase Code Point | "ỡ" U+1EE1 Latin Small Letter O with Horn and Tilde |
| Lowercase Code Point | "ỡ" U+1EE1 Latin Small Letter O with Horn and Tilde |
| Simple Case Folding | "ỡ" U+1EE1 Latin Small Letter O with Horn and Tilde |
| Case Folding | "ỡ" U+1EE1 Latin Small Letter O with Horn and Tilde |
| Cased | Yes |
| Changes When Casefolded | Yes |
| Changes When Casemapped | Yes |
| Changes When Lowercased | Yes |
| Changes When NFKC Casefolded | Yes |
| NFKC Casefold | "ỡ" U+1EE1 Latin Small Letter O with Horn and Tilde |
| NFKC Simple Casefold | "ỡ" U+1EE1 Latin Small Letter O with Horn and Tilde |
| Script | Latin |
| Script Extensions | Latin |
| Indic Syllabic Category | Other |
| ID Start | Yes |
| XID Start | Yes |
| ID Continue | Yes |
| XID Continue | Yes |
| Alphabetic | Yes |
| Vertical Orientation | Rotated |
| Grapheme Base | Yes |
| Grapheme Cluster Break | Other |
| Word Break | Alphabetic letter |
| Sentence Break | Upper |