Definition of "gamma" in 英语

noun

1. The third letter of the Greek alphabet (Γ, γ), preceded by beta (Β, β) and followed by delta, (Δ, δ).

2. (physics) A gamma ray or gamma-ray photon.

3. (mathematics) The Gamma function, symbolized by Γ.

4. (mathematics) A constant approximately equal to 0.57721566, symbolized by γ (also known as the Euler–Mascheroni constant).

5. (physics) A non-SI unit of measure of magnetic flux density, equal to 1 nT.

6. (physics) A non-SI unit of measure of mass, equal to 1 microgramme.

7. (industries) Slope of log-log plot of video input and luminance output.

8. (aviation) Flight path angle; the angle by which an aircraft's flight path deviates from the horizontal plane.

9. (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.

10. (computer graphics) Synonym of gamma correction.