disintegration

Noun

• total destruction
  • bomb tests resulted in the annihilation of the atoll
    

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

• separation into component parts

• a loss (or serious disruption) of organization in some system
  • a disintegration of personality
    

• in a decomposed state

Related words

• Synonyms: 
  annihilation , decay , radioactive decay , dissolution , decomposition