noun
- the act or process of disintegrating.
- Physics. decay(def 8).
1796, noun of action from disintegrate.
n.
- The breaking up of the component parts of a substance, as in catabolism or decay.
- The disorganization or disruption of mental processes in mental illness.
- The natural or induced transformation of an atomic nucleus from a more massive to a less massive configuration by the emission of particles or radiation.