U+F972 "沈" CJK Compatibility Ideograph-# Unicode Character

U+F972 "沈" CJK Compatibility Ideograph-# is a specific character found in the Unicode standard's CJK Compatibility Ideographs block, which was created primarily to support roundtrip conversion between older East Asian character encodings (such as those used in Japanese, Chinese, or Korean text) and the modern Unicode standard. This particular ideograph is a compatibility variant of the regular CJK Unified Ideograph U+6C88 "沈", which can mean "to sink" or "sink" in Chinese, and also appears in Japanese and Korean contexts with related meanings. The compatibility designation indicates that U+F972 is included not as a distinct new character but to preserve the exact shape or encoding from a legacy system, and it is generally recommended to use the unified version U+6C沈 for most modern text processing to ensure consistency and avoid duplication.

General Properties

Code Point	U+F972
Version Added	1.1
Name	CJK Compatibility Ideograph-#
Block	CJK Compatibility Ideographs
General Category	Other Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right
Decomposition Type	Canonical
Decomposition Mapping	"沈" U+6C88 CJK Unified Ideograph-#

Encodings

HTML Decimal Encoding	沈
HTML Hex Encoding	沈
UTF-8 Encoding	0xEF 0xA5 0xB2
UTF-16 Encoding	0xF972
UTF-32 Encoding	0x0000F972
C/C++/Java Escape	\uf972

Unicode Properties

Full Composition Exclusion	Yes
Numeric Type	None
Numeric Value	NaN
Line Break	Ideographic
East Asian Width	Wide
Changes When NFKC Casefolded	Yes
NFKC Casefold	"沈" U+6C88 CJK Unified Ideograph-#
NFKC Simple Casefold	"沈" U+6C88 CJK Unified Ideograph-#
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

Unihan Properties

kCompatibilityVariant	U+6C88
kDefinition	sink, submerge; addicted to; name
kHangul	심:0
kIRG_KSource	K0-6421
kKorean	SIM
kRSUnicode	85.4
kTotalStrokes	7