[1] : The Collaborative International Dictionary of English v.0.48

disintegration \disin`tegra"tion\, n.
   a the process by which anything is disintegrated; the
       condition of anything which is disintegrated.
       specifically
   b geol. the wearing away or falling to pieces of rocks or
       strata, produced by atmospheric action, frost, ice, etc.
       1913 webster

             society had need of further disintegration before
             it could begin to reconstruct itself locally.
                                                  --motley.
       1913 webster

[2] : WordNet (r) 2.0

disintegration
     n 1: in a decomposed state syn: decomposition
     2: separation into component parts syn: dissolution
     3: the spontaneous disintegration of a radioactive substance
        along with the emission of ionizing radiation syn: decay,
         radioactive decay
     4: total destruction; "bomb tests resulted in the annihilation
        of the atoll" syn: annihilation
see also:
decomposition dissolution decay radioactive decay annihilation 

[3] : Moby Thesaurus II by Grady Ward, 1.0

145 moby thesaurus words for "disintegration":
   abrasion, amiable weakness, atomization, attrition, beating,
   biodegradability, biodegradation, bloodbath, blue ruin,
   breakability, breakup, brecciation, brittleness, carnage,
   changeableness, collapse, comminution, consumption, corrosion,
   corruption, crack-up, crumbling, crushing, daintiness, damnation,
   deactivation, decay, decimation, decomposition, degradability,
   degradation, delicacy, demobilization, depredation, derangement,
   desolation, despoilment, despoliation, destructibility,
   destruction, detachment, detrition, devastation, diaspora,
   diffusion, dilapidation, disarrangement, disarray, disarticulation,
   disbandment, discomfiture, discomposure, disconcertedness,
   disharmony, dishevelment, disjunction, dismissal, disorder,
   disorderliness, disorganization, dispersal, dispersion,
   disproportion, disruption, dissolution, disturbance, effeminacy,
   entropy, exfoliation, flimsiness, fragility, fragmentation,
   frailty, frangibility, granulation, granulization, grating,
   grinding, haphazardness, havoc, hecatomb, holocaust, human frailty,
   incoherence, indecisiveness, indiscriminateness, infirmity of will,
   inharmonious harmony, inherent vice, irregularity, irresolution,
   levigation, lightness, mashing, mildew, mold, moral weakness,
   most admired disorder, nonsymmetry, nonuniformity, oxidation,
   oxidization, parting, perdition, perturbation, pounding, powdering,
   promiscuity, promiscuousness, randomness, ravage, release,
   resolution, revolution, ruin, ruination, rust, scaling, scattering,
   separation, shambles, shattering, shredding, slaughter, sleaziness,
   slightness, smashing, split-up, spoilage, spoliation, trituration,
   turbulence, undoing, unsubstantiality, unsymmetry, ununiformity,
   upset, vandalism, velleity, waste, wispiness, womanishness, wrack,
   wrack and ruin, wreck

Disintegration >> D Words
Disintegration, definition of term: Disintegration
disintegration_pag1.html