U+5540 was added to Unicode in version 1.1 (1993). It belongs to the block CJK Unified Ideographs in the Basic Multilingual Plane.

This character is a Other Letter and is mainly used in the Han script. The Unihan Database defines it as gnaw; (Cant.) to shout, yell, scold. Its Pīnyīn pronunciation is ái.

The glyph is not a composition. It has a Wide East Asian Width. In bidirectional context it acts as Left To Right and is not mirrored. In text U+5540 behaves as Ideographic regarding line breaks. It has type OLetter for sentence and Other for word breaks. The Grapheme Cluster Break is Any.


System Representation
UTF-8 E5 95 80
UTF-16 55 40
UTF-32 00 00 55 40
URL-Quoted %E5%95%80
HTML-Escape 啀
Wrong windows-1252 Mojibake 啀
Encoding: JIS0208 (hex bytes) D3 B1
Pīnyīn ái
IRG_GSource G3-364D
IRG_HSource HB2-
IRG_JSource J0-5331
IRG_KPSource KP1-3A1
IRG_KSource K1-6656
IRG_TSource T2-342C
IRG_VSource V0-322
BigFive D4A9
CCCII 21706A
CNS1986 2-342C
CNS1992 2-342C
EACC 21706A
GB3 2245
Jis0 5117
KPS1 3A14
KSC1 7054
Xerox 317:263


Complete Record

Property Value
Age (age) 1.1
Unicode Name (na) CJK UNIFIED IDEOGRAPH-5540
Unicode 1 Name (na1)
Block (blk) CJK
General Category (gc) Other Letter
Script (sc) Han
Bidirectional Category (bc) Left To Right
Combining Class (ccc) Not Reordered
Decomposition Type (dt) None
Decomposition Mapping (dm) 啀
Lowercase (Lower)
Simple Lowercase Mapping (slc) 啀
Lowercase Mapping (lc) 啀
Uppercase (Upper)
Simple Uppercase Mapping (suc) 啀
Uppercase Mapping (uc) 啀
Simple Titlecase Mapping (stc) 啀
Titlecase Mapping (tc) 啀
Case Folding (cf) 啀
ASCII Hex Digit (AHex)
Alphabetic (Alpha)
Bidi Control (Bidi_C)
Bidi Mirrored (Bidi_M)
Bidi Paired Bracket (bpb) 啀
Bidi Paired Bracket Type (bpt) None
Cased (Cased)
Composition Exclusion (CE)
Case Ignorable (CI)
Full Composition Exclusion (Comp_Ex)
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)
Dash (Dash)
Deprecated (Dep)
Default Ignorable Code Point (DI)
Diacritic (Dia)
East Asian Width (ea) Wide
Extender (Ext)
FC NFKC Closure (FC_NFKC) 啀
Grapheme Cluster Break (GCB) Any
Grapheme Base (Gr_Base)
Grapheme Extend (Gr_Ext)
Hex Digit (Hex)
Hangul Syllable Type (hst) Not Applicable
Hyphen (Hyphen)
ID Continue (IDC)
Ideographic (Ideo)
ID Start (IDS)
IDS Binary Operator (IDSB)
IDS Trinary Operator and (IDST)
Indic Positional Category (InPC) NA
Indic Syllabic Category (InSC) Other
ISO 10646 Comment (isc)
Joining Group (jg) No_Joining_Group
Join Control (Join_C)
Jamo Short Name (JSN)
Joining Type (jt) Non Joining
kIRG_GSource (kIRG_GSource) G3-364D
kIRG_HSource (kIRG_HSource) HB2-
kIRG_JSource (kIRG_JSource) J0-5331
kIRG_KPSource (kIRG_KPSource) KP1-3A1
kIRG_KSource (kIRG_KSource) K1-6656
kIRG_TSource (kIRG_TSource) T2-342C
kIRG_VSource (kIRG_VSource) V0-322
kIRGDaeJaweon (kIRGDaeJaweon) 0414.230
kIRGDaiKanwaZiten (kIRGDaiKanwaZiten) 03789
kIRGHanyuDaZidian (kIRGHanyuDaZidian) 10638.080
kIRGKangXi (kIRGKangXi) 0194.180
kBigFive (kBigFive) D4A9
kCangjie (kCangjie) RMGG
kCantonese (kCantonese) ngaai4
kCCCII (kCCCII) 21706A
kCheungBauer (kCheungBauer) 030/08;RMGG;[ng]aai3
kCheungBauerIndex (kCheungBauerIndex) 358.07
kCihaiT (kCihaiT) 277.602
kCNS1986 (kCNS1986) 2-342C
kCNS1992 (kCNS1992) 2-342C
kDaeJaweon (kDaeJaweon) 0414.230
Unihan Definition (kDefinition) gnaw; (Cant.) to shout, yell, scold
kEACC (kEACC) 21706A
kFourCornerCode (kFourCornerCode) 6101.4
kGB3 (kGB3) 2245
kHangul (kHangul)
kHanYu (kHanYu) 10638.080
kHanyuPinyin (kHanyuPinyin) 10638.080:ái
kJapaneseKun (kJapaneseKun) IGAMU
kJapaneseOn (kJapaneseOn) GAI
kJis0 (kJis0) 5117
kKangXi (kKangXi) 0194.180
kKorean (kKorean) AY
kKPS1 (kKPS1) 3A14
kKSC1 (kKSC1) 7054
kMandarin (kMandarin) ái
kMorohashi (kMorohashi) 03789
kNelson (kNelson) 0934
Radical Stroke Count (Adobe Japan 1-6) (kRSAdobe_Japan1_6) C+4388+30.3.8
Radical Stroke Count (KangXi) (kRSKangXi) 30.8
Radical Stroke Count (Unicode) (kRSUnicode) 30.8
kSBGY (kSBGY) 093.56
Stroke Number (kTotalStrokes) 11
kVietnamese (kVietnamese) nhai
kXerox (kXerox) 317:263
Line Break (lb) Ideographic
Logical Order Exception (LOE)
Math (Math)
Noncharacter Code Point (NChar)
NFC Quick Check (NFC_QC) Yes
NFD Quick Check (NFD_QC) Yes
NFKC Casefold (NFKC_CF) 啀
NFKC Quick Check (NFKC_QC) Yes
NFKD Quick Check (NFKD_QC) Yes
Numeric Type (nt) None
Numeric Value (nv) NaN
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)
Pattern Syntax (Pat_Syn)
Pattern White Space (Pat_WS)
Quotation Mark (QMark)
Radical (Radical)
Sentence Break (SB) OLetter
Simple Case Folding (scf) 啀
Script Extension (scx) Han
Soft Dotted (SD)
STerm (STerm)
Terminal Punctuation (Term)
Unified Ideograph (UIdeo)
Variation Selector (VS)
Word Break (WB) Other
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)