Definitions from Wiktionary (gamma)

▸ noun:  The third letter of the Greek alphabet (Γ, γ), preceded by beta (Β, β) and followed by delta, (Δ, δ).
▸ noun:  (physics) A gamma ray or gamma-ray photon.
▸ noun:  (mathematics) The Gamma function, symbolized by Γ.
▸ noun:  (mathematics) A constant approximately equal to 0.57721566, symbolized by γ (also known as the Euler–Mascheroni constant).
▸ noun:  (physics) A non-SI unit of measure of magnetic flux density, equal to 1 nT.
▸ noun:  (physics) A non-SI unit of measure of mass, equal to 1 microgramme.
▸ noun:  (industries) Slope of log-log plot of video input and luminance output.
▸ noun:  (aviation) Flight path angle; the angle by which an aircraft's flight path deviates from the horizontal plane.
▸ noun:  (finance) 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:  (computer graphics) Synonym of gamma correction.

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