U+51FF "凿" CJK Unified Ideograph-# Unicode Character

U+51FF "凿" CJK Unified Ideograph-# is a Chinese character that primarily means "to chisel," "to bore," or "to dig," and it can also refer to a chisel or a mortise as a noun, reflecting its practical use in carpentry and stonework. Its composition combines the radical for "metal" or "gold" (金, jīn) with a phonetic component, and it is commonly found in classical and modern texts related to crafting, mining, or creating holes, such as in the idiom "凿壁偷光" (záo bì tōu guāng), which tells the story of a scholar who chiseled a hole in a wall to borrow light for studying.

General Properties

Code Point	U+51FF
Version Added	1.1
Name	CJK Unified Ideograph-#
Block	CJK Unified Ideographs
General Category	Other Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right

Encodings

HTML Decimal Encoding	凿
HTML Hex Encoding	凿
UTF-8 Encoding	0xE5 0x87 0xBF
UTF-16 Encoding	0x51FF
UTF-32 Encoding	0x000051FF
C/C++/Java Escape	\u51ff

Unicode Properties

NFC Quick Check	Yes
NFD Quick Check	Yes
NFKC Quick Check	Yes
NFKD Quick Check	Yes
Numeric Type	None
Numeric Value	NaN
Line Break	Ideographic
East Asian Width	Wide
Script	Han
Script Extensions	Han
Indic Syllabic Category	Other
ID Start	Yes
XID Start	Yes
ID Continue	Yes
XID Continue	Yes
Alphabetic	Yes
Vertical Orientation	Upright
Grapheme Base	Yes
Grapheme Cluster Break	Other
Word Break	Other
Sentence Break	OLetter
Ideographic	Yes
Unified Ideograph	Yes

Unihan Properties

kCCCII	275E4B
kCangjie	TCTU
kCantonese	zok6
kDefinition	chisel; bore, pierce
kEACC	275E4B
kFourCornerCode	3277
kGB0	5268
kHanYu	10310.020
kHanyuPinlu	záo(34)
kIICore	AG
kIRGHanyuDaZidian	10310.020
kIRGKangXi	0135.211
kIRG_GSource	G0-5464
kTGH	2013:2605
kKangXi	0135.211
kMainlandTelegraph	7020
kMandarin	záo
kPhonetic	249
kRSUnicode	17.10
kSMSZD2003Index	55.09
kTGHZ2013	459.010:záo
kTotalStrokes	12
kTraditionalVariant	"鑿" U+947F CJK Unified Ideograph-#
kUnihanCore2020	G
kXHC1983	1441.040:záo 1551.030:zuò