U+17C4 "ោ" Khmer Vowel Sign Oo Unicode Character

Unicode Version 17.0

U+17C4 "ោ" Khmer Vowel Sign Oo is a combining mark used in the Khmer script to represent a long back rounded vowel sound, phonetically equivalent to the "oo" in "boot." This vowel sign modifies a preceding consonant by attaching to its right side, altering the syllable's pronunciation. It functions as part of a complex orthographic system where vowels can appear above, below, or beside consonants, and it is essential for writing many common Khmer words, distinguishing meanings through tonal and length contrasts that are fundamental to the language.

General Properties

Code Point U+17C4
Version Added 3.0
Name Khmer Vowel Sign Oo
Block Khmer
General Category Spacing Mark
Canonical Combining Class Not Reordered
Bidirectional Class Left To Right

Encodings

HTML Decimal Encoding ោ
HTML Hex Encoding ោ
UTF-8 Encoding 0xE1 0x9F 0x84
UTF-16 Encoding 0x17C4
UTF-32 Encoding 0x000017C4
C/C++/Java Escape \u17c4

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 Complex Context Dependent (South East Asian)
Script Khmer
Script Extensions Khmer
Indic Syllabic Category Vowel Dependent
Indic Positional Category Left And Right
ID Continue Yes
XID Continue Yes
Alphabetic Yes
Other Alphabetic Yes
Vertical Orientation Rotated
Grapheme Base Yes
Grapheme Cluster Break Spacing Mark
Word Break Extend
Sentence Break Extend