gamma

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gam·ma / ˈgamə/ • n. the third letter of the Greek alphabet (Γ, γ), transliterated as ‘g.’ ∎  [as adj.] denoting the third in a series of items, categories, etc. ∎  [as adj.] relating to gamma rays: gamma detector. ∎  Physics (pl. same) a unit of magnetic field strength equal to 10−5 oersted.

gamma

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gamma A unit of magnetic field strength. 1 gamma = 10−5 gauss. It has now been replaced by SI units: 1 gamma = 10−9 tesla (i.e. 1 nano tesla, nT).