gamma decay
nounPhysics.
type of radioactivity in which an unstable atomic nucleus dissipates energy by gamma emission, producing gamma rays.
Words Nearby gamma decay
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
Scientific definitions for gamma decay
gamma decay
A radioactive process in which an atomic nucleus loses energy by emitting a gamma ray (a stream of high-energy photons). When an element undergoes gamma decay its atomic number and mass number do not change.
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