U+1D209 "𝈉" Greek Vocal Notation Symbol-10 Unicode Character

U+1D209 "𝈉" Greek Vocal Notation Symbol-10 is a specialized character from the Ancient Greek Musical Notation block, used in the system of vocal notation developed by ancient Greeks to indicate pitch and melody in sung verse. This symbol represents a specific melodic step or interval within that notation system, which employed a series of letters and signs placed above Greek text to guide a singer's vocal performance. The character is distinct from standard Greek letters and is of particular interest to scholars of classical musicology, philology, and the study of ancient performance practices, though it is not commonly used in modern Greek or general text.

General Properties

Code Point	U+1D209
Version Added	4.1
Name	Greek Vocal Notation Symbol-10
Block	Ancient Greek Musical Notation
General Category	Other Symbol
Canonical Combining Class	Not Reordered
Bidirectional Class	Other Neutral

Encodings

HTML Decimal Encoding	𝈉
HTML Hex Encoding	𝈉
UTF-8 Encoding	0xF0 0x9D 0x88 0x89
UTF-16 Encoding	0xD834 0xDE09
UTF-32 Encoding	0x0001D209
C/C++/Java Escape	\ud834\ude09

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	Greek
Script Extensions	Greek
Indic Syllabic Category	Other
Vertical Orientation	Rotated
Grapheme Base	Yes
Grapheme Cluster Break	Other
Word Break	Other
Sentence Break	Other