U+225C "≜" Delta Equal To Unicode Character

U+225C "≜" Delta Equal To is a mathematical symbol that represents a relationship of equality where a specific change or difference, often denoted by the Greek letter delta, is involved. It is commonly used in mathematics and physics to indicate that two expressions are equivalent by definition or that one quantity is defined to be equal to another, particularly in contexts involving calculus, thermodynamics, or differential equations. The symbol is formed by combining a small delta triangle with an equals sign, visually reinforcing the idea of equality under a specified variation.

General Properties

Code Point	U+225C
Version Added	1.1
Name	Delta Equal To
Block	Mathematical Operators
General Category	Math Symbol
Canonical Combining Class	Not Reordered
Bidirectional Class	Other Neutral

Encodings

HTML Decimal Encoding	≜
HTML Hex Encoding	≜
UTF-8 Encoding	0xE2 0x89 0x9C
UTF-16 Encoding	0x225C
UTF-32 Encoding	0x0000225C
C/C++/Java Escape	\u225c

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	Alphabetic
Script	Common
Script Extensions	Common
Indic Syllabic Category	Other
Pattern Syntax	Yes
Math	Yes
Vertical Orientation	Rotated
Grapheme Base	Yes
Grapheme Cluster Break	Other
Word Break	Other
Sentence Break	Other