Decay

English word definition — powered by WordNet

NOUN

the process of gradually becoming inferior

decline

a gradual decrease

decomposition

the organic phenomenon of rotting

an inferior state resulting from the process of decaying

radioactive decay, disintegration

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

VERB

disintegrate, decompose

lose a stored charge, magnetic flux, or current

crumble, dilapidate

fall into decay or ruin

undergo decay or decomposition

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