Home CJK Unified Ideograph-40A0 U+3400 to U+4DBF CJK Unified Ideographs Extension A CJK Unified Ideograph-40A2

Source: Noto CJK

U+40A1 CJK UNIFIED IDEOGRAPH-40A1

U+40A1 was added to Unicode in version 3.0 (1999). It belongs to the block U+3400 to U+4DBF CJK Unified Ideographs Extension A 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 (non-classical form 砥) a whetstone, smooth, to polish. Its Pīnyīn pronunciation is .

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+40A1 behaves as Ideographic regarding line breaks. It has type Other Letter for sentence and Other for word breaks. The Grapheme Cluster Break is Any.

Representations

System	Representation
Nº	16545
UTF-8	E4 82 A1
UTF-16	40 A1
UTF-32	00 00 40 A1
URL-Quoted	%E4%82%A1
HTML-Escape	䂡
Wrong windows-1252 Mojibake	ä¡
Pīnyīn

Elsewhere

Complete Record

Property	Value
Age	3.0 (1999)
Unicode Name	CJK UNIFIED IDEOGRAPH-40A1
Unicode 1 Name	—
Block	CJK Unified Ideographs Extension A
General Category	Other Letter
Script	Han
Bidirectional Category	Left To Right
Combining Class	Not Reordered
Decomposition Type	None
Decomposition Mapping	CJK Unified Ideograph-40A1
Lowercase	✘
Simple Lowercase Mapping	CJK Unified Ideograph-40A1
Lowercase Mapping	CJK Unified Ideograph-40A1
Uppercase	✘
Simple Uppercase Mapping	CJK Unified Ideograph-40A1
Uppercase Mapping	CJK Unified Ideograph-40A1
Simple Titlecase Mapping	CJK Unified Ideograph-40A1
Titlecase Mapping	CJK Unified Ideograph-40A1
Case Folding	CJK Unified Ideograph-40A1
ASCII Hex Digit	✘
Alphabetic	✔
Bidi Control	✘
Bidi Mirrored	✘
Composition Exclusion	✘
Case Ignorable	✘
Changes When Casefolded	✘
Changes When Casemapped	✘
Changes When NFKC Casefolded	✘
Changes When Lowercased	✘
Changes When Titlecased	✘
Changes When Uppercased	✘
Cased	✘
Full Composition Exclusion	✘
Default Ignorable Code Point	✘
Dash	✘
Deprecated	✘
Diacritic	✘
Emoji Modifier Base	✘
Emoji Component	✘
Emoji Modifier	✘
Emoji Presentation	✘
Emoji	✘
Extender	✘
Extended Pictographic	✘
FC NFKC Closure	CJK Unified Ideograph-40A1
Grapheme Cluster Break	Any
Grapheme Base	✔
Grapheme Extend	✘
Grapheme Link	✘
Hex Digit	✘
Hyphen	✘
ID Continue	✔
ID Start	✔
IDS Binary Operator	✘
IDS Trinary Operator and	✘
Ideographic	✔
Indic Mantra Category	—
Indic Positional Category	NA
Indic Syllabic Category	Other
Jamo Short Name	—
Join Control	✘
Logical Order Exception	✘
Math	✘
Noncharacter Code Point	✘
NFC Quick Check	Yes
NFD Quick Check	Yes
NFKC Casefold	CJK Unified Ideograph-40A1
NFKC Quick Check	Yes
NFKD Quick Check	Yes
Other Alphabetic	✘
Other Default Ignorable Code Point	✘
Other Grapheme Extend	✘
Other ID Continue	✘
Other ID Start	✘
Other Lowercase	✘
Other Math	✘
Other Uppercase	✘
Prepended Concatenation Mark	✘
Pattern Syntax	✘
Pattern White Space	✘
Quotation Mark	✘
Regional Indicator	✘
Radical	✘
Sentence Break	Other Letter
Soft Dotted	✘
Sentence Terminal	✘
Terminal Punctuation	✘
Unified Ideograph	✔
Variation Selector	✘
Word Break	Other
White Space	✘
XID Continue	✔
XID Start	✔
Expands On NFC	✘
Expands On NFD	✘
Expands On NFKC	✘
Expands On NFKD	✘
Bidi Paired Bracket	CJK Unified Ideograph-40A1
Bidi Paired Bracket Type	None
East Asian Width	Wide
Hangul Syllable Type	Not Applicable
ISO 10646 Comment	—
Joining Group	No_Joining_Group
Joining Type	Non Joining
Line Break	Ideographic
Numeric Type	None
Numeric Value	not a number
Simple Case Folding	CJK Unified Ideograph-40A1
Script Extension
Vertical Orientation	U
Cangjie Input Code	MROM
kCantonese	dai2
Unihan Definition	(non-classical form 砥) a whetstone, smooth, to polish
kHanYu	42424.020
kIRGHanyuDaZidian	42424.020
kIRGKangXi	0828.380
kIRG_GSource	GKX-0828.38
kIRG_TSource	T4-2E62
kKangXi	0828.380
kMandarin	dǐ
kPhonetic	1506*
Radical Stroke Count (Unicode)	112.5
Stroke Number	10