I. noun
Etymology: gamma (I)
1. : a photon or radiation quantum emitted spontaneously by a radioactive substance
2. or gamma radiation : a continuous stream of gamma rays
II. noun
: a high-energy photon
I. noun
Etymology: gamma (I)
1. : a photon or radiation quantum emitted spontaneously by a radioactive substance
2. or gamma radiation : a continuous stream of gamma rays
II. noun
: a high-energy photon
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012