U+1DB8 "ᶸ" Modifier Letter Small Capital U Unicode Character

U+1DB8 "ᶸ" Modifier Letter Small Capital U is a typographic symbol used primarily in phonetic alphabets, particularly within the International Phonetic Alphabet extension for precise transcription of vowel sounds. This character represents a small capital form of the letter U, and its modifier status indicates that it alters or refines the pronunciation of the preceding sound, often used to denote a reduced or secondary articulation such as labialization or a specific u like vowel quality. While not common in standard text, it appears in linguistic literature and specialized dictionaries to convey subtle phonetic details that full size letters cannot capture.

General Properties

Code Point	U+1DB8
Version Added	4.1
Name	Modifier Letter Small Capital U
Block	Phonetic Extensions Supplement
General Category	Modifier Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right
Decomposition Type	Super
Decomposition Mapping	"ᴜ" U+1D1C Latin Letter Small Capital U

Encodings

HTML Decimal Encoding	ᶸ
HTML Hex Encoding	ᶸ
UTF-8 Encoding	0xE1 0xB6 0xB8
UTF-16 Encoding	0x1DB8
UTF-32 Encoding	0x00001DB8
C/C++/Java Escape	\u1db8

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	"ᴜ" U+1D1C Latin Letter Small Capital U
NFKC Simple Casefold	"ᴜ" U+1D1C Latin Letter Small Capital U
Script	Latin
Script Extensions	Latin
Indic Syllabic Category	Other
ID Start	Yes
XID Start	Yes
ID Continue	Yes
XID Continue	Yes
Diacritic	Yes
Alphabetic	Yes
Vertical Orientation	Rotated
Grapheme Base	Yes
Grapheme Cluster Break	Other
Word Break	Alphabetic letter
Sentence Break	Lower