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1. The 3rd letter of the Greek alphabet
    
2. A unit of magnetic field strength equal to one-hundred-thousandth of an oersted

1. Portuguese navigator who led an expedition around the Cape of Good Hope in 1497; he sighted and named Natal on Christmas Day before crossing the Indian Ocean (1460-1524)
   - Vasco da Gama, da Gamma, Vasco da Gamma

Derived forms: gammas

Type of: alphabetic character, field strength unit, letter, letter of the alphabet, navigator

Part of: Greek alphabet, oersted

Encyclopedia: Gamma