U+01B0 "ư" Latin Small Letter U with Horn Unicode Character
Unicode Version 17.0
ư
U+01B0 "ư" Latin Small Letter U with Horn is a distinct grapheme used primarily in the Vietnamese alphabet, where it represents a high back unrounded vowel sound that differs from the standard "u" by the addition of a small horn-like diacritical mark attached to the upper right of the letter. This character is essential for accurately writing and distinguishing words in Vietnamese, such as "tư" meaning four or thought, from words using a plain "u." It belongs to the Latin Extended-B block of Unicode and is often encountered in tonal notations where it can combine with various tone marks.
General Properties
| Code Point | U+01B0 |
| Version Added | 1.1 |
| Name | Latin Small Letter U with Horn |
| Unicode 1.0 Name | Latin Small Letter U Horn |
| Block | Latin Extended-B |
| General Category | Lowercase Letter |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
| Decomposition Type | Canonical |
| Decomposition Mapping | "u" U+0075 Latin Small Letter U "̛" U+031B Combining Horn |
Encodings
| HTML Decimal Encoding | ư |
| HTML Hex Encoding | ư |
| UTF-8 Encoding | 0xC6 0xB0 |
| UTF-16 Encoding | 0x01B0 |
| UTF-32 Encoding | 0x000001B0 |
| C/C++/Java Escape | \u01b0 |
Unicode Properties
| NFC Quick Check | Yes |
| NFKC Quick Check | Yes |
| Numeric Type | None |
| Numeric Value | NaN |
| Line Break | Alphabetic |
| Lowercase | Yes |
| Simple Uppercase Code Point | "Ư" U+01AF Latin Capital Letter U with Horn |
| Simple Titlecase Code Point | "Ư" U+01AF Latin Capital Letter U with Horn |
| Uppercase Code Point | "Ư" U+01AF Latin Capital Letter U with Horn |
| Titlecase Code Point | "Ư" U+01AF Latin Capital Letter U with Horn |
| Cased | Yes |
| Changes When Casemapped | Yes |
| Changes When Titlecased | Yes |
| Changes When Uppercased | Yes |
| 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 | Lower |