Dispersion can refer to: Biology Biological dispersal, the distribution of spores, fruits and their seeds, etc. Physics A phenomenon that causes the separation of a wave into components of varying frequency: Dispersion relation Dispersion (optics) (see also Abbe number) Dispersion (water waves) Dielectric dispersion Dispersive mass transfer, in fluid dynamics, the spreading of mass from areas of high to low concentration Atmospheric pollution dispersion Modal dispersion, spreading signals i… (More on Dispersion)