#1 dispersion n. [scattering] spreading widely or driving off. wn
#2 dispersion n. [distribution] the spatial or geographic property of being scattered about over a range, area, or volume; "worldwide in distribution"; "the distribution of nerve fibers"; "in complementary distribution". wn
#3 dispersion n. [dispersal, dissemination, diffusion] the act of dispersing or diffusing something; "the dispersion of the troops"; "the diffusion of knowledge". wn
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