Ψ (psi)
In the context of the Greek alphabet, the letter before omega (Ω) is psi (Ψ). If you're referring to the concept of "omega" in various contexts, such as in science or philosophy, it often represents the end or the ultimate limit, so "before omega" could imply a state or condition that precedes completion or finality.
Ω (omega) is the last letter.
The Greek letter, 'omega'. This is equivalent to the English letter, 'O'.
The Greek capital letter for Omega is Ω.
The letter after 'psi' in the Greek Alphabet is 'Omega'.
The opposite of alpha in the Greek alphabet is omega. Omega is the last letter of the Greek alphabet.
The correct spelling of the Greek letter is "omega".
The letter in the Greek alphabet that precedes omega is psi.
Omega is the last letter of the Greek alphabet Uppercase Omega - Ω Lowercase omega - ω
The Omega Nebula received its name due to its resemblance to the Greek letter omega when viewed through a telescope. Its shape appears to have a distinctive swirl pattern that resembles the letter omega.
Omega was a letter of the Greek alphabet.
omega = ω ~ w ~ m (upside-down)Also an obsolete form of pi = π is like an omega with a short line above.See link for "Variant pi"