Home U+0180 to U+024F Latin Extended-B
Glyph for U+01A0
Source: Noto Sans

U+01A0 Latin Capital Letter O with Horn

U+01A0 was added in Unicode version 1.1 in 1993. It belongs to the block U+0180 to U+024F Latin Extended-B in the U+0000 to U+FFFF Basic Multilingual Plane.

This character is a Uppercase Letter and is mainly used in the Latin script. Its lowercase variant is Glyph for U+01A1 Latin Small Letter O with Horn.

The glyph is a canonical composition of the glyphs Glyph for U+004F Latin Capital Letter O, Glyph for U+031B Combining Horn. It has no designated width in East Asian texts. In bidirectional text it is written from left to right. When changing direction it is not mirrored. The word that U+01A0 forms with similar adjacent characters prevents a line break inside it. The glyph can be confused with one other glyph.

The Wikipedia has the following information about this codepoint:

Ơ (lowercase ơ) is one of the 12 Vietnamese language vowels. It represents the sound [ə].

As with most special Vietnamese letters, this letter is not well-supported by fonts and is often typed as either o+ or o*. The VIQR standard is o+.

On the Windows default Vietnamese keyboard Ơ can be found on where the ] key is on a US English keyboard layout.

Because Vietnamese is a tonal language this letter may optionally have any one of the five tonal symbols above or below it, as in phở.

  • Ờ ờ
  • Ớ ớ
  • Ở ở
  • Ỡ ỡ
  • Ợ ợ

Representations

System Representation
Nº 416
UTF-8 C6 A0
UTF-16 01 A0
UTF-32 00 00 01 A0
URL-Quoted %C6%A0
HTML hex reference Ơ
Wrong windows-1252 Mojibake Æ 
Encoding: CP1258 (hex bytes) D5
Encoding: GB18030 (hex bytes) 81 30 9B 30
AGL: Latin-4 Ohorn
AGL: Latin-5 Ohorn
Adobe Glyph List Ohorn
digraph O9

Related Characters

Confusables

Elsewhere

Complete Record

Property Value
Age (age) 1.1 (1993)
Unicode Name (na) LATIN CAPITAL LETTER O WITH HORN
Unicode 1 Name (na1) LATIN CAPITAL LETTER O HORN
Block (blk) Latin Extended-B
General Category (gc) Uppercase Letter
Script (sc) Latin
Bidirectional Category (bc) Left To Right
Combining Class (ccc) Not Reordered
Decomposition Type (dt) canonical
Decomposition Mapping (dm) Glyph for U+004F Latin Capital Letter O Glyph for U+031B Combining Horn
Lowercase (Lower) ✘
Simple Lowercase Mapping (slc) Glyph for U+01A1 Latin Small Letter O with Horn
Lowercase Mapping (lc) Glyph for U+01A1 Latin Small Letter O with Horn
Uppercase (Upper) ✔
Simple Uppercase Mapping (suc) Glyph for U+01A0 Latin Capital Letter O with Horn
Uppercase Mapping (uc) Glyph for U+01A0 Latin Capital Letter O with Horn
Simple Titlecase Mapping (stc) Glyph for U+01A0 Latin Capital Letter O with Horn
Titlecase Mapping (tc) Glyph for U+01A0 Latin Capital Letter O with Horn
Case Folding (cf) Glyph for U+01A1 Latin Small Letter O with Horn
ASCII Hex Digit (AHex) ✘
Alphabetic (Alpha) ✔
Bidi Control (Bidi_C) ✘
Bidi Mirrored (Bidi_M) ✘
Composition Exclusion (CE) ✘
Case Ignorable (CI) ✘
Changes When Casefolded (CWCF) ✔
Changes When Casemapped (CWCM) ✔
Changes When NFKC Casefolded (CWKCF) ✔
Changes When Lowercased (CWL) ✔
Changes When Titlecased (CWT) ✘
Changes When Uppercased (CWU) ✘
Cased (Cased) ✔
Full Composition Exclusion (Comp_Ex) ✘
Default Ignorable Code Point (DI) ✘
Dash (Dash) ✘
Deprecated (Dep) ✘
Diacritic (Dia) ✘
Emoji Modifier Base (EBase) ✘
Emoji Component (EComp) ✘
Emoji Modifier (EMod) ✘
Emoji Presentation (EPres) ✘
Emoji (Emoji) ✘
Extender (Ext) ✘
Extended Pictographic (ExtPict) ✘
FC NFKC Closure (FC_NFKC) Glyph for U+01A0 Latin Capital Letter O with Horn
Grapheme Cluster Break (GCB) Any
Grapheme Base (Gr_Base) ✔
Grapheme Extend (Gr_Ext) ✘
Grapheme Link (Gr_Link) ✘
Hex Digit (Hex) ✘
Hyphen (Hyphen) ✘
ID Continue (IDC) ✔
ID Start (IDS) ✔
IDS Binary Operator (IDSB) ✘
IDS Trinary Operator and (IDST) ✘
IDSU (IDSU) 0
ID_Compat_Math_Continue (ID_Compat_Math_Continue) 0
ID_Compat_Math_Start (ID_Compat_Math_Start) 0
Ideographic (Ideo) ✘
InCB (InCB) None
Indic Mantra Category (InMC) —
Indic Positional Category (InPC) NA
Indic Syllabic Category (InSC) Other
Jamo Short Name (JSN) —
Join Control (Join_C) ✘
Logical Order Exception (LOE) ✘
Modifier Combining Mark (MCM) ✘
Math (Math) ✘
Noncharacter Code Point (NChar) ✘
NFC Quick Check (NFC_QC) Yes
NFD Quick Check (NFD_QC) No
NFKC Casefold (NFKC_CF) Glyph for U+01A1 Latin Small Letter O with Horn
NFKC Quick Check (NFKC_QC) Yes
NFKC_SCF (NFKC_SCF) Glyph for U+01A1 Latin Small Letter O with Horn
NFKD Quick Check (NFKD_QC) No
Other Alphabetic (OAlpha) ✘
Other Default Ignorable Code Point (ODI) ✘
Other Grapheme Extend (OGr_Ext) ✘
Other ID Continue (OIDC) ✘
Other ID Start (OIDS) ✘
Other Lowercase (OLower) ✘
Other Math (OMath) ✘
Other Uppercase (OUpper) ✘
Prepended Concatenation Mark (PCM) ✘
Pattern Syntax (Pat_Syn) ✘
Pattern White Space (Pat_WS) ✘
Quotation Mark (QMark) ✘
Regional Indicator (RI) ✘
Radical (Radical) ✘
Sentence Break (SB) Upper
Soft Dotted (SD) ✘
Sentence Terminal (STerm) ✘
Terminal Punctuation (Term) ✘
Unified Ideograph (UIdeo) ✘
Variation Selector (VS) ✘
Word Break (WB) Alphabetic Letter
White Space (WSpace) ✘
XID Continue (XIDC) ✔
XID Start (XIDS) ✔
Expands On NFC (XO_NFC) ✘
Expands On NFD (XO_NFD) ✔
Expands On NFKC (XO_NFKC) ✘
Expands On NFKD (XO_NFKD) ✔
Bidi Paired Bracket (bpb) Glyph for U+01A0 Latin Capital Letter O with Horn
Bidi Paired Bracket Type (bpt) None
East Asian Width (ea) neutral
Hangul Syllable Type (hst) Not Applicable
ISO 10646 Comment (isc) —
Joining Group (jg) No_Joining_Group
Joining Type (jt) Non Joining
Line Break (lb) Alphabetic
Numeric Type (nt) none
Numeric Value (nv) not a number
Simple Case Folding (scf) Glyph for U+01A1 Latin Small Letter O with Horn
Script Extension (scx)
Vertical Orientation (vo) R