U03A9

U03A9 is a Unicode character that represents the Greek letter Omega (Ω). In the Unicode Standard, it is assigned the code point U+03A9. This character is used in various contexts, including mathematics, physics, and linguistics.

In mathematics, Omega is often used to denote the last ordinal number, which is the ordinal number of the set of all ordinal numbers. It is also used to represent the limit of a sequence or the supremum of a set.

In physics, Omega is used to represent the angular velocity of a rotating object. It is also used in the context of the cosmological constant, which is a parameter in the equations of general relativity.

In linguistics, Omega is used in the International Phonetic Alphabet (IPA) to represent a voiceless labial-velar approximant, a sound that is produced by approximating the lips and the back of the tongue.

The character U03A9 is part of the Greek and Coptic block in the Unicode Standard. It is encoded in UTF-8 as the two-byte sequence E0 B2 A9, and in UTF-16 as the single code unit 03A9.