U+1ED1 "ố" Latin Small Letter O with Circumflex and Acute Unicode Character
Unicode Version 17.0
ố
U+1ED1 "ố" Latin Small Letter O with Circumflex and Acute is a precomposed Vietnamese vowel used to represent the sound and tone of the letter "o" with both a circumflex diacritic and an acute accent. The circumflex indicates a higher or "closed" vowel quality, while the acute accent marks a rising or "sắc" tone in the Vietnamese tonal system. This character is commonly found in words such as "bố" meaning father and "cố" meaning grandparent or ancient, and it is encoded as a single precomposed glyph for efficient text processing in digital environments, allowing for proper display and sorting in Vietnamese language contexts.
General Properties
| Code Point | U+1ED1 |
| Version Added | 1.1 |
| Name | Latin Small Letter O with Circumflex and Acute |
| Block | Latin Extended Additional |
| General Category | Lowercase Letter |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
| Decomposition Type | Canonical |
| Decomposition Mapping | "ô" U+00F4 Latin Small Letter O with Circumflex "́" U+0301 Combining Acute Accent |
Encodings
| HTML Decimal Encoding | ố |
| HTML Hex Encoding | ố |
| UTF-8 Encoding | 0xE1 0xBB 0x91 |
| UTF-16 Encoding | 0x1ED1 |
| UTF-32 Encoding | 0x00001ED1 |
| C/C++/Java Escape | \u1ed1 |
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 | "Ố" U+1ED0 Latin Capital Letter O with Circumflex and Acute |
| Simple Titlecase Code Point | "Ố" U+1ED0 Latin Capital Letter O with Circumflex and Acute |
| Uppercase Code Point | "Ố" U+1ED0 Latin Capital Letter O with Circumflex and Acute |
| Titlecase Code Point | "Ố" U+1ED0 Latin Capital Letter O with Circumflex and Acute |
| 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 |