Omega
| Greek letters | |
| Α α Alpha | Β β Beta |
| Γ γ Gamma | Δ δ Delta |
| Ε ε Epsilon | Ϝ ϝ Digamma |
| Ζ ζ Zeta | Η η Eta |
| Θ θ Theta | Ι ι Iota |
| Κ κ Kappa | Λ λ Lambda |
| Μ μ Mu | Ν ν Nu |
| Ξ ξ Xi | Ο ο Omicron |
| Π π Pi | Ϻ ϻ San |
| Ϙ ϙ Qoppa | Ρ ρ Rho |
| Σ σ Sigma | Τ τ Tau |
| Υ υ Upsilon | Φ φ Phi |
| Χ χ Chi | Ψ ψ Psi |
| Ω ω Omega | Ϡ ϡ Sampi |
| Greek alphabet | |
Omega is used to denote an end to something, the opposite being Alpha, beginning. For example, "I am Alpha and Omega, the beginning and the end, the first and the last." (Revelation 22:13, KJV)
Omega has been used as the name for a wide variety of other things, for example:
- A Swiss watch company. Its Speedmaster was the first watch on the Moon. ([1])
- Omega is the name of the free 16-Bit (Unicode) version of the typesetting system TeX ([1])
- Omega is a fictional character from the television program Doctor Who.
- a Roguelike game ([1])
- a fatty acid: Omega-3 fatty acid
- the lowest ranking position in a group of animals (the omega (wolf) in a pack)
- Ohm - S-I unit of electrical resistance.
- In computer science, in notation related to Big O notation, also Chaitin's constant.
- Codex Athous Dionysii, an 8th/9th century uncial Greek manuscript of the Gospels on Mount Athos.
- Omega Point, a theory about computing at the end of the universe.
- In mathematics, the first uncountable ordinal number.
- In textual criticism, the archetype of a manuscript tradition.
- In physics, angular velocity.
- In mathematics, the first transfinite ordinal number