gamma
1gam·ma
noun \ˈga-mə\Definition of GAMMA
1
: the 3d letter of the Greek alphabet — see alphabet table
2
: the degree of contrast of a developed photographic image or of a video image
3
: a unit of magnetic flux density equal to one nanotesla
4
: gamma ray <gamma counter>
5
Origin of GAMMA
Middle English, from Late Latin, from Greek, of Semitic origin; akin to Hebrew gīmel gimel
First Known Use: 15th century
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