U+1D5F "ᵟ" Modifier Letter Small Delta Unicode Character

U+1D5F "ᵟ" Modifier Letter Small Delta is a superscript or modifier form of the Greek letter delta, used in phonetic transcription to represent a subtle or altered pronunciation of the delta sound, typically in linguistic contexts such as the International Phonetic Alphabet extension or Americanist phonetic notation. It functions as a diacritic-like symbol that modifies the preceding letter, often indicating a fricative or approximant variant of the voiced dental or alveolar stop, and is encoded in the Unicode Phonetic Extensions block to support precise representation of speech sounds in digital text.

General Properties

Code Point	U+1D5F
Version Added	4.0
Name	Modifier Letter Small Delta
Block	Phonetic Extensions
General Category	Modifier Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right
Decomposition Type	Super
Decomposition Mapping	"δ" U+03B4 Greek Small Letter Delta

Encodings

HTML Decimal Encoding	ᵟ
HTML Hex Encoding	ᵟ
UTF-8 Encoding	0xE1 0xB5 0x9F
UTF-16 Encoding	0x1D5F
UTF-32 Encoding	0x00001D5F
C/C++/Java Escape	\u1d5f

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	"δ" U+03B4 Greek Small Letter Delta
NFKC Simple Casefold	"δ" U+03B4 Greek Small Letter Delta
Script	Greek
Script Extensions	Greek
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