an inferior state resulting from the process of decaying
- "the house had fallen into a serious state of decay and disrepair"
- "the corpse was in an advanced state of decay"
the process of gradually becoming inferior
the spontaneous disintegration of a radioactive substance along with the emission of ionizing radiation
the phenomenon of spontaneous changes in the nucleus of an atom
fall into decay or ruin
- "The unoccupied house started to decay"