decay

The spontaneous disintegration of a radioactive substance along with the emission of ionizing radiation.

The organic phenomenon of rotting.

A gradual decrease; as of stored charge or current.

An inferior state resulting from the process of decaying.

“the corpse was in an advanced state of decay”

“the house had fallen into a serious state of decay and disrepair”

The process of gradually becoming inferior.

Lose a stored charge, magnetic flux, or current.

Fall into decay or ruin.

“The unoccupied house started to decay”

Undergo decay or decomposition.

“The body started to decay and needed to be cremated”