U+1EE3 "ợ" Latin Small Letter O with Horn and Dot Below Unicode Character
Unicode Version 17.0
ợ
U+1EE3 "ợ" Latin Small Letter O with Horn and Dot Below is a specialized Vietnamese letter used to represent a specific vowel sound in the language. It consists of the base letter O combined with a horn diacritic attached to the upper right side and a dot below, indicating a distinct tonal and phonetic quality. This character is commonly found in Vietnamese text, where it represents the low, rising, or glottalized tone of the open-mid back rounded vowel, depending on its context within a word. As part of the Latin Extended Additional block, it supports the accurate digital representation and communication of the Vietnamese writing system.
General Properties
| Code Point | U+1EE3 |
| Version Added | 1.1 |
| Name | Latin Small Letter O with Horn and Dot Below |
| Block | Latin Extended Additional |
| General Category | Lowercase Letter |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
| Decomposition Type | Canonical |
| Decomposition Mapping | "ơ" U+01A1 Latin Small Letter O with Horn "̣" U+0323 Combining Dot Below |
Encodings
| HTML Decimal Encoding | ợ |
| HTML Hex Encoding | ợ |
| UTF-8 Encoding | 0xE1 0xBB 0xA3 |
| UTF-16 Encoding | 0x1EE3 |
| UTF-32 Encoding | 0x00001EE3 |
| C/C++/Java Escape | \u1ee3 |
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 | "Ợ" U+1EE2 Latin Capital Letter O with Horn and Dot Below |
| Simple Titlecase Code Point | "Ợ" U+1EE2 Latin Capital Letter O with Horn and Dot Below |
| Uppercase Code Point | "Ợ" U+1EE2 Latin Capital Letter O with Horn and Dot Below |
| Titlecase Code Point | "Ợ" U+1EE2 Latin Capital Letter O with Horn and Dot Below |
| 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 |