1 definition by Baelnoren

Top Definition
A symbol in the greek alphabet.

In physics, represents nuclear half life, or the wavelength of a ray/photon/light.

Used in the Half-Life games as the symbol for the rebellion. Also represents the game in general.
"C (The Speed of Light) equals Lambda (wavelength) times F (frequency)."

"Follow the lambdas spray-painted on the walls to a secret weapons cache."
by Baelnoren June 09, 2008

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