1. (n.) The act of reducing to atoms, or very minute particles; or the state of being so reduced.

2. (n.) The reduction of fluids into fine spray.

ablation abrasion aeration aerification alpha decay alteration analysis anatomization atom-chipping atom-smashing atomic disintegration atomic reaction attrition beating beta decay bombardment breakup brecciation breeding bullet chain reaction change circumstantiation cleavage comminution corrosion crumbling crushing decay decomposition degradation demarcation desynonymization detrition differencing differentiation dilapidation discrimination disequalization disintegration disintegration series disjunction disorganization dissociation dissolution distillation distinction distinguishment diversification division erosion etherealization etherification evaporation exchange reaction exhalation fission fission reaction fluidization fractionation fragmentation fumigation gamma decay gasification granulation granulization grating grinding incoherence individualization individuation ionization itemization levigation mashing modification neutron reaction nonreversible reaction nuclear fission nucleization particularization personalization photodisintegration pounding powdering proton gun proton reaction ravages of time resolution reversible reaction segregation separation severalization severance shredding smashing smoking specialization specification splitting the atom steaming stimulation sublimation target thermonuclear reaction trituration vaporization variation volatilization wear wear and tear