#1 disintegrate v. break into parts or components or lose cohesion or unity; "The material disintegrated"; "the group disintegrated after the leader died". wn
#2 disintegrate v. cause to undergo fission or lose particles. wn
#3 disintegrate v. [decay, decompose] lose a stored charge, magnetic flux, or current; "the particles disintegrated during the nuclear fission process". wn
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