gamma

1. The third letter of the Greek alphabet (Γ, γ), preceded by beta (Β, β) and followed by delta, (Δ, δ). (countable, uncountable)
2. The letter Ɣɣ, used in the alphabets of several African languages, and in lowercase form in the IPA to represent a voiced velar fricative. (countable, uncountable)
3. A gamma ray or gamma-ray photon. (countable, uncountable)
4. The Gamma function, symbolized by Γ. (countable, uncountable)
5. A constant approximately equal to 0.57721566, symbolized by γ (also known as the Euler–Mascheroni constant). (countable, uncountable)
6. A non-SI unit of measure of magnetic flux density, equal to 1 nT. (countable, uncountable)
7. A non-SI unit of measure of mass, equal to 1 microgramme. (countable, uncountable)
8. Slope of log-log plot of video input and luminance output. (countable, uncountable)

Plural gammas