{{wiktionary|dispersion|dispersed}} '''Dispersion''' may refer to: {{TOC right}}

==Economics and finance== *Dispersion (finance), a measure for the statistical distribution of portfolio returns *Price dispersion, a variation in prices across sellers of the same item *Wage dispersion, the amount of variation in wages encountered in an economy *Dispersed knowledge, notion that any one person is unable to perceive all economic forces

==Science and mathematics== ===Mathematics=== *Statistical dispersion, a quantifiable variation of measurements of differing members of a population **Index of dispersion, a normalized measure of the dispersion of a probability distribution *Dispersion point, a point in a topological space the removal of which leaves the space highly disconnected

===Physics=== *The dependence of wave velocity on frequency or wavelength: **Dispersion (optics), for light waves **Dispersion (water waves), for water waves **Acoustic dispersion, for sound waves **Dispersion relation, the mathematical description of dispersion in a system **Modal dispersion, spreading of signals in multimode fibers and waveguides by a distortion mechanism ***Polarization mode dispersion, a form of modal dispersion **Dielectric dispersion, the dependence of the permittivity of a dielectric material on the frequency of an applied electric field **Dispersion measure, the dispersion of radio signals from pulsars and fast radio bursts *Dispersive mass transfer, in fluid dynamics, the spreading of mass from areas of high to low concentration **Atmospheric dispersion modeling, mathematical simulation of how air pollutants disperse in the ambient atmosphere *London dispersion force, an instantaneous induced dipole-induced dipole *Dispersed particle resistance, a measured parameter to characterize battery active materials

===Other sciences=== *Biological dispersal, the distribution of animals, spores, fruits and their seeds, etc. *Dispersion (chemistry), a system in which particles are dispersed in a continuous phase of a different composition *Dispersion (geology), a process whereby sodic soil disperses when exposed to water *Dispersion (materials science), the fraction of atoms of a material exposed to the surface *Dispersion polymerization, a polymerization process *Velocity dispersion, the statistical variation of velocities about the mean velocity for a group of astronomical objects

==Other uses== *{{section link|Hellenistic Judaism|Hellenism}}, Jewish communities who lived amongst the gentiles in the first century CE *''Dispersion'' (album), the second album by High Rise *Dispersion Technology, a scientific instrument manufacturer located in Bedford Hills, New York

==See also== *{{look from|dispersion}} * {{look from|dispersed}} *Dispersal (disambiguation) *Dispersive (disambiguation) *Dispersity, a measure of the heterogeneity of sizes of molecules or particles in a mixture

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