verb (v)

• break into parts or components or lose cohesion or unity(verb.change)

  Example:
  The material disintegrated.
  The group disintegrated after the leader died.
  

  Antonym:
  incorporate, integrate
  

  source: wordnet30
• cause to undergo fission or lose particles(verb.change)

  source: wordnet30
• lose a stored charge, magnetic flux, or current(verb.change)

  Example:
  The particles disintegrated during the nuclear fission process.
  

  Synonym:
  decay, decompose
  

  source: wordnet30
• To separate into integrant parts; to reduce to fragments or to powder; to break up, or cause to fall to pieces, as a rock, by blows of a hammer, frost, rain, and other mechanical or atmospheric influences.(verb)

  source: webster1913
• To decompose into integrant parts; as, chalk rapidly disintegrates.(verb)

  source: webster1913