📖 Definitions of "Decay"
noun
- 1
The process or result of being gradually decomposed.
- 2
A deterioration of condition; loss of status or fortune.
verb
- 1
To deteriorate, to get worse, to lose strength or health, to decline in quality.
"The pair loved to take pictures in the decaying hospital on forty-third street."
- 2
(of organic material) To rot, to go bad.
"The cat's body decayed rapidly."
- 3
(of an unstable atom) To change by undergoing fission, by emitting radiation, or by capturing or losing one or more electrons.
- 4
(of a quantum system) To undergo optical decay, that is, to relax to a less excited state, usually by emitting a photon or phonon.
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