What is another word for "dispersion"?

Roget's Thesaurus (1911) lists these synonyms for "dispersion": accession, accretion, add, additional, advance, aggrandize, aggrandizement, aggravate, aggravation, ahead, analysis, analytical, analyze, ascend, ascent, augment, augmentation, break, catalysis, catalytic, corruption, crescendo, crumble, decentralize, decompose, decomposed, decomposition, decompound, deepen, development, dilatation, dilate, disembody, disintegration, disjunction, disperse, dissect, dissection, dissolution, dissolve.