U+1EE8 "Ứ" Latin Capital Letter U with Horn and Acute Unicode Character
Unicode Version 17.0
Ứ
U+1EE8 "Ứ" Latin Capital Letter U with Horn and Acute is used primarily in the Vietnamese alphabet to represent a specific tonal variant of the vowel sound /u/. It combines the base letter U with a diacritical mark called a "horn" attached to the upper right side, which indicates a distinct vowel quality, and an acute accent placed above the letter to denote a high-rising tone. This character is an essential part of the modern Vietnamese writing system, where it appears in words such as "ứng" meaning "to respond" or "apply." Its inclusion in Unicode ensures correct digital representation and processing of Vietnamese text across various platforms and devices.
General Properties
| Code Point | U+1EE8 |
| Version Added | 1.1 |
| Name | Latin Capital Letter U with Horn and Acute |
| Block | Latin Extended Additional |
| General Category | Uppercase Letter |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
| Decomposition Type | Canonical |
| Decomposition Mapping | "Ư" U+01AF Latin Capital Letter U with Horn "́" U+0301 Combining Acute Accent |
Encodings
| HTML Decimal Encoding | Ứ |
| HTML Hex Encoding | Ứ |
| UTF-8 Encoding | 0xE1 0xBB 0xA8 |
| UTF-16 Encoding | 0x1EE8 |
| UTF-32 Encoding | 0x00001EE8 |
| C/C++/Java Escape | \u1ee8 |
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 | "ứ" U+1EE9 Latin Small Letter U with Horn and Acute |
| Lowercase Code Point | "ứ" U+1EE9 Latin Small Letter U with Horn and Acute |
| Simple Case Folding | "ứ" U+1EE9 Latin Small Letter U with Horn and Acute |
| Case Folding | "ứ" U+1EE9 Latin Small Letter U with Horn and Acute |
| Cased | Yes |
| Changes When Casefolded | Yes |
| Changes When Casemapped | Yes |
| Changes When Lowercased | Yes |
| Changes When NFKC Casefolded | Yes |
| NFKC Casefold | "ứ" U+1EE9 Latin Small Letter U with Horn and Acute |
| NFKC Simple Casefold | "ứ" U+1EE9 Latin Small Letter U with Horn and Acute |
| 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 |