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Omega (US: / oʊ ˈ m eɪ ɡ ə,-ˈ m ɛ ɡ ə,-ˈ m iː ɡ ə /, UK: / ˈ oʊ m ɪ ɡ ə /; [1] uppercase Ω, lowercase ω; Ancient Greek ὦ, later ὦ μέγα, Modern Greek ωμέγα) is the twenty-fourth and last letter in the Greek alphabet.
the symbol ϖ, a graphic variant of π, is sometimes construed as omega with a bar over it; see π; the unsaturated fats nomenclature in biochemistry (e.g. ω−3 fatty acids) the first uncountable ordinal (also written as Ω) the clique number (number of vertices in a maximum clique) of a graph in graph theory
In Archaic and early Classical times, the Greek alphabet existed in many local variants, but, by the end of the 4th century BC, the Ionic-based Euclidean alphabet, with 24 letters, ordered from alpha to omega, had become standard throughout the Greek-speaking world [6] and is the version that is still used for Greek writing today.
Omega with circumflex and rough breathing: Archaic letter denoting the presence of /h/ prior to the vowel, with a high or falling pitch ῼῳ: Omega with subscript iota: Archaic letter denoting a long diphthong ῴ: Omega with subscript iota and acute: Archaic letter denoting a long diphthong with a rising pitch ῲ: Omega with subscript iota ...
Iota subscripts in the word ᾠδῇ, ("ode", dative). The iota subscript is a diacritic mark in the Greek alphabet shaped like a small vertical stroke or miniature iota ι placed below the letter.
The Cyrillic letter beautiful omega. Another variation of omega is the ornate or beautiful omega, used as an interjection, "O!". It is represented in Unicode 5.1 by the misnamed [1] character omega with titlo (Ѽ ѽ). It descends from the Greek omega with the smooth breathing (psili) and circumflex (perispomeni) diacritical marks (Ὦ ὦ ...
ℵ 0 (aleph-nought, aleph-zero, or aleph-null) is the cardinality of the set of all natural numbers, and is an infinite cardinal.The set of all finite ordinals, called ω or ω 0 (where ω is the lowercase Greek letter omega), has cardinality ℵ 0.
The first written record of the phrase "alpha and omega" is from some old manuscripts of the Christian New Testament. The phrase "I am the Alpha and the Omega" (Koiné Greek: ἐγώ εἰμί τὸ Ἄλφα καὶ τὸ Ὦ), is an appellation of Jesus and of the Father in the Book of Revelation (verses 1:8, 21:6, and 22:13).