/ˈɡæmə/
noun
The third letter of the Greek alphabet (Γ, γ), preceded by beta (Β, β) and followed by delta, (Δ, δ).The Gamma function, symbolized by Γ.A constant approximately equal to 0.55721566, symbolized by γ (also known as the Euler–Mascheroni constant).A non-SI unit of measure of magnetic flux density, equal to 1 nT.(industries) slope of log-log plot of video input and luminance output.A second-order measure of derivative price sensitivity, expressed as the rate of change in delta with respect to changes in the underlying asset price.noun
A nonlinear operation used to encode and decode luminance or tristimulus values in video or still image systems.