Home U+4E00 to U+9FFF CJK Unified Ideographs
Glyph for U+7931
Source: Noto CJK

U+7931 CJK Unified Ideo­graph-​7931

U+7931 was added in Unicode version 1.1 in 1993. It belongs to the block U+4E00 to U+9FFF CJK Unified Ideographs in the U+0000 to U+FFFF Basic Multilingual Plane.

This character is a Other Letter and is mainly used in the Han script. The Unihan Database defines it as grind, sharpen; mill. Its Pīnyīn pronunciation is lóng.

The glyph is not a composition. Its East Asian Width is wide. In bidirectional text it is written from left to right. When changing direction it is not mirrored. U+7931 offers a line break opportunity at its position, except in some numeric contexts.

Representations

System Representation
Nº 31025
UTF-8 E7 A4 B1
UTF-16 79 31
UTF-32 00 00 79 31
URL-Quoted %E7%A4%B1
HTML hex reference 礱
Wrong windows-1252 Mojibake 礱
Pīnyīn lóng

Elsewhere

Complete Record

Property Value
Age (age) 1.1 (1993)
Unicode Name (na) CJK UNIFIED IDEOGRAPH-7931
Unicode 1 Name (na1) —
Block (blk) CJK Unified Ideographs
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) Glyph for U+7931 CJK Unified Ideograph-7931
Lowercase (Lower) ✘
Simple Lowercase Mapping (slc) Glyph for U+7931 CJK Unified Ideograph-7931
Lowercase Mapping (lc) Glyph for U+7931 CJK Unified Ideograph-7931
Uppercase (Upper) ✘
Simple Uppercase Mapping (suc) Glyph for U+7931 CJK Unified Ideograph-7931
Uppercase Mapping (uc) Glyph for U+7931 CJK Unified Ideograph-7931
Simple Titlecase Mapping (stc) Glyph for U+7931 CJK Unified Ideograph-7931
Titlecase Mapping (tc) Glyph for U+7931 CJK Unified Ideograph-7931
Case Folding (cf) Glyph for U+7931 CJK Unified Ideograph-7931
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+7931 CJK Unified Ideograph-7931
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) ✘
Math (Math) ✘
Noncharacter Code Point (NChar) ✘
NFC Quick Check (NFC_QC) Yes
NFD Quick Check (NFD_QC) Yes
NFKC Casefold (NFKC_CF) Glyph for U+7931 CJK Unified Ideograph-7931
NFKC Quick Check (NFKC_QC) Yes
NFKC_SCF (NFKC_SCF) Glyph for U+7931 CJK Unified Ideograph-7931
NFKD Quick Check (NFKD_QC) Yes
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) Other Letter
Soft Dotted (SD) ✘
Sentence Terminal (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) ✘
Bidi Paired Bracket (bpb) Glyph for U+7931 CJK Unified Ideograph-7931
Bidi Paired Bracket Type (bpt) None
East Asian Width (ea) wide
Hangul Syllable Type (hst) Not Applicable
ISO 10646 Comment (isc) —
Joining Group (jg) No_Joining_Group
Joining Type (jt) Non Joining
Line Break (lb) Ideographic
Numeric Type (nt) none
Numeric Value (nv) not a number
Simple Case Folding (scf) Glyph for U+7931 CJK Unified Ideograph-7931
Script Extension (scx)
Vertical Orientation (vo) U
Big Five Mapping (kBigFive) F5E2
CCCII Mapping (kCCCII) 226655
CNS 11643-1986 Mapping (kCNS1986) 2-6B70
CNS 11643-1992 Mapping (kCNS1992) 2-6B70
Cangjie Input Code (kCangjie) YPMR
kCantonese (kCantonese) lung4
kCihaiT (kCihaiT) 975.302
kDaeJaweon (kDaeJaweon) 1256.020
Unihan Definition (kDefinition) grind, sharpen; mill
kEACC (kEACC) 226655
kFourCornerCode (kFourCornerCode) 0160.1 1161.1
kGB1 (kGB1) 7735
kGSR (kGSR) 1193k
kHanYu (kHanYu) 42464.130
kHangul (kHangul) 롱:1N
kHanyuPinyin (kHanyuPinyin) 42464.130:lóng
kIICore (kIICore) CT
kIRGDaeJaweon (kIRGDaeJaweon) 1256.020
kIRGHanyuDaZidian (kIRGHanyuDaZidian) 42464.130
kIRGKangXi (kIRGKangXi) 0838.350
kIRG_GSource (kIRG_GSource) G1-6D43
kIRG_HSource (kIRG_HSource) HB2-F5E2
kIRG_JSource (kIRG_JSource) J13-7931
kIRG_KPSource (kIRG_KPSource) KP1-6104
kIRG_KSource (kIRG_KSource) K1-5F24
kIRG_TSource (kIRG_TSource) T2-6B70
kJIS0213 (kJIS0213) 1,89,17
kJapanese (kJapanese) ロウ ル といし とぐ
kJapaneseKun (kJapaneseKun) TOGU
kJapaneseOn (kJapaneseOn) ROU RU
kJis1 (kJis1) 4840
kKangXi (kKangXi) 0838.350
kKorean (kKorean) LONG
kKoreanName (kKoreanName) 2015
kMandarin (kMandarin) lóng
kMatthews (kMatthews) 4269
kMeyerWempe (kMeyerWempe) 1716d
kMojiJoho (kMojiJoho) MJ018732 MJ018732:E0101 MJ018733:E0102
kMorohashi (kMorohashi) 24586 24586:E0101
kPhonetic (kPhonetic) 856
Radical Stroke Count (Adobe Japan 1-6) (kRSAdobe_Japan1_6) C+14903+112.5.16 C+14903+212.16.5
Radical Stroke Count (Unicode) (kRSUnicode) 112.16
kSBGY (kSBGY) 030.17 342.19
kSMSZD2003Index (kSMSZD2003Index) 477.17 833.07
kSMSZD2003Readings (kSMSZD2003Readings) lóng粵lung4
Semantic Variant (kSemanticVariant) Glyph for U+24BA8 U+24BA8
Simplified Variant (kSimplifiedVariant) Glyph for U+783B U+783B
Taiwanese Telegraph Code (kTaiwanTelegraph) 4352
Stroke Number (kTotalStrokes) 21
UnihanCore2020 Set (kUnihanCore2020) HMT
kXHC1983 (kXHC1983) 0732.061:lóng
Xerox Code (kXerox) 301:314