Dispersion

Dispersion may refer to:

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

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

 * , 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