U+51F8 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 protrude, bulge out, convex. Its Pīnyīn pronunciation is t.

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+51F8 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 87 B8
UTF-16 51 F8
UTF-32 00 00 51 F8
URL-Quoted %E5%87%B8
HTML-Escape 凸
Wrong windows-1252 Mojibake 凸
Encoding: EUC-KR (hex bytes) F4 C8
Encoding: JIS0208 (hex bytes) C6 CC
Pīnyīn t
IRG_GSource G0-4D39
IRG_HSource HB1-
IRG_JSource J0-464C
IRG_KSource K0-7448
IRG_TSource T1-4579
BigFive A559
CCCII 21334D
CNS1986 1-4579
CNS1992 1-4579
EACC 21334D
GB0 4525
GB1 4525
Jis0 3844
KSC0 8440
MainlandTelegraph 0424
TaiwanTelegraph 0424
Xerox 256:156


Complete Record

Property Value
Age (age) 1.1
Unicode Name (na) CJK UNIFIED IDEOGRAPH-51F8
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) 凸
Lowercase (Lower)
Simple Lowercase Mapping (slc) 凸
Lowercase Mapping (lc) 凸
Uppercase (Upper)
Simple Uppercase Mapping (suc) 凸
Uppercase Mapping (uc) 凸
Simple Titlecase Mapping (stc) 凸
Titlecase Mapping (tc) 凸
Case Folding (cf) 凸
ASCII Hex Digit (AHex)
Alphabetic (Alpha)
Bidi Control (Bidi_C)
Bidi Mirrored (Bidi_M)
Bidi Paired Bracket (bpb) 凸
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) 凸
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
kIICore (kIICore) AGT
kIRG_GSource (kIRG_GSource) G0-4D39
kIRG_HSource (kIRG_HSource) HB1-
kIRG_JSource (kIRG_JSource) J0-464C
kIRG_KPSource (kIRG_KPSource) KP0-EDB
kIRG_KSource (kIRG_KSource) K0-7448
kIRG_TSource (kIRG_TSource) T1-4579
kIRGDaeJaweon (kIRGDaeJaweon) 0301.050
kIRGDaiKanwaZiten (kIRGDaiKanwaZiten) 01809
kIRGHanyuDaZidian (kIRGHanyuDaZidian) 10307.060
kIRGKangXi (kIRGKangXi) 0135.090
kBigFive (kBigFive) A559
kCangjie (kCangjie) BSS
kCantonese (kCantonese) dat6
kCCCII (kCCCII) 21334D
kCihaiT (kCihaiT) 171.503
kCNS1986 (kCNS1986) 1-4579
kCNS1992 (kCNS1992) 1-4579
kCowles (kCowles) 4106
kDaeJaweon (kDaeJaweon) 0301.050
Unihan Definition (kDefinition) protrude, bulge out, convex
kEACC (kEACC) 21334D
kFenn (kFenn) 650G
kFennIndex (kFennIndex) 261.01 519.02
kFourCornerCode (kFourCornerCode) 7777.7
kFrequency (kFrequency) 5
kGB0 (kGB0) 4525
kGB1 (kGB1) 4525
kGradeLevel (kGradeLevel) 4
kHangul (kHangul)
kHanYu (kHanYu) 10307.060
kHanyuPinlu (kHanyuPinlu) tū(31)
kHanyuPinyin (kHanyuPinyin) 10307.060:tū
kHKGlyph (kHKGlyph) 0322
kJapaneseKun (kJapaneseKun) DERU
kJapaneseOn (kJapaneseOn) TOTSU
kJis0 (kJis0) 3844
kKangXi (kKangXi) 0135.090
kKorean (kKorean) CHEL TOL
kKSC0 (kKSC0) 8440
kLau (kLau) 499
kMainlandTelegraph (kMainlandTelegraph) 0424
kMandarin (kMandarin)
kMatthews (kMatthews) 6305
kMeyerWempe (kMeyerWempe) 3023
kMorohashi (kMorohashi) 01809
kNelson (kNelson) 0090
kPhonetic (kPhonetic) 1318
Radical Stroke Count (Adobe Japan 1-6) (kRSAdobe_Japan1_6) C+3236+17.2.3
Radical Stroke Count (KangXi) (kRSKangXi) 17.3
Radical Stroke Count (Unicode) (kRSUnicode) 17.3
kSBGY (kSBGY) 481.05 493.14
kTaiwanTelegraph (kTaiwanTelegraph) 0424
Stroke Number (kTotalStrokes) 5
kXerox (kXerox) 256:156
kXHC1983 (kXHC1983) 1160.030:tū
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) 凸
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) 凸
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)