[noun] a gradual decrease; as of stored charge or current Synonyms:decline
[noun] the organic phenomenon of rotting Synonyms:decomposition
[noun] 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"
[noun] the spontaneous disintegration of a radioactive substance along with the emission of ionizing radiation Synonyms:radioactive disintegration
[verb] lose a stored charge, magnetic flux, or current; "the particles disintegrated during the nuclear fission process" Synonyms:disintegrate, decompose
[verb] fall into decay or ruin; "The unoccupied house started to decay" Synonyms:crumble, delapidate
[verb] undergo decay or decomposition; "The body started to decay and needed to be cremated"