U+2090 "ₐ" Latin Subscript Small Letter A Unicode Character

U+2090 "ₐ" Latin Subscript Small Letter A is a typographic glyph used primarily in phonetic and linguistic notation to represent a reduced or subscripted version of the letter "a". It belongs to the Superscripts and Subscripts block and is often employed in technical contexts, such as transcribing spoken language or indicating chemical formulas, where a smaller, baseline-aligned character is needed without altering the line spacing. This character allows for precise annotation in fields like phonetics and orthography, serving as a distinct symbol rather than a simple formatting trick.

General Properties

Code Point	U+2090
Version Added	4.1
Name	Latin Subscript Small Letter A
Block	Superscripts and Subscripts
General Category	Modifier Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right
Decomposition Type	Sub
Decomposition Mapping	"a" U+0061 Latin Small Letter A

Encodings

HTML Decimal Encoding	ₐ
HTML Hex Encoding	ₐ
UTF-8 Encoding	0xE2 0x82 0x90
UTF-16 Encoding	0x2090
UTF-32 Encoding	0x00002090
C/C++/Java Escape	\u2090

Unicode Properties

NFC Quick Check	Yes
NFD Quick Check	Yes
Numeric Type	None
Numeric Value	NaN
Line Break	Alphabetic
Lowercase	Yes
Other Lowercase	Yes
Case Ignorable	Yes
Cased	Yes
Changes When NFKC Casefolded	Yes
NFKC Casefold	"a" U+0061 Latin Small Letter A
NFKC Simple Casefold	"a" U+0061 Latin Small Letter A
Script	Latin
Script Extensions	Latin
Indic Syllabic Category	Other
ID Start	Yes
XID Start	Yes
ID Continue	Yes
XID Continue	Yes
Alphabetic	Yes
Vertical Orientation	Rotated
Grapheme Base	Yes
Grapheme Cluster Break	Other
Word Break	Alphabetic letter
Sentence Break	Lower