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What (who) is dispersion$22055$ - definition

RELATION OF WAVELENGTH/WAVENUMBER AS A FUNCTION OF A WAVE'S FREQUENCY

Dispersion Relation; Dispersion equation; Dispersion relations; Frequency dispersion; Amplitude dispersion; Phase velocity dispersion; Dispersion relation (mathematics); Dispersion Relation (Mathematics)

Acoustic dispersion

Dispersion (acoustics)

Acoustic dispersion is the phenomenon of a sound wave separating into its component frequencies as it passes through a material. The phase velocity of the sound wave is viewed as a function of frequency.

https://en.wikipedia.org/wiki/Acoustic_dispersion

Statistical dispersion

STATISTICAL PROPERTY QUANTIFYING HOW MUCH A COLLECTION OF DATA IS SPREAD OUT

Dispersion (statistics); Measure of dispersion; Scattering (statistics); Dispersion (finance); Dispersion (finance, asset management); Statistical variability; Statistical Variability; Statistical Dispersion; Inter-patient variability; Intrawoman; Intrawoman variability; Intra-individual variability; Measures of statistical dispersion; Variability (statistics); Intraindividual variability; Variation (statistics)

In statistics, dispersion (also called variability, scatter, or spread) is the extent to which a distribution is stretched or squeezed. Common examples of measures of statistical dispersion are the variance, standard deviation, and interquartile range.

https://en.wikipedia.org/wiki/Statistical_dispersion

London dispersion force

TYPE OF FORCE ACTING BETWEEN ATOMS AND MOLECULES

Instantaneous-dipole induced-dipole attraction; London forces; London force; Dispersion Forces; London dispersion forces; Dispersion forces; London dispersion; Instantaneous dipole induced dipole interaction; London Dispersion Forces; Dispersion Force; London Force; Van de Waal's force; Dispersion force; Instantaneous dipole–induced dipole forces; Instantaneous dipole-induced dipole forces

London dispersion forces (LDF, also known as dispersion forces, London forces, instantaneous dipole–induced dipole forces, fluctuating induced dipole bonds or loosely as van der Waals forces) are a type of force acting between atoms and molecules that are normally electrically symmetric; that is, the electrons are symmetrically distributed with respect to the nucleus. They are part of the van der Waals forces.

https://en.wikipedia.org/wiki/London_dispersion_force

Wikipedia

Dispersion relation

In the physical sciences and electrical engineering, dispersion relations describe the effect of dispersion on the properties of waves in a medium. A dispersion relation relates the wavelength or wavenumber of a wave to its frequency. Given the dispersion relation, one can calculate the phase velocity and group velocity of waves in the medium, as a function of frequency. In addition to the geometry-dependent and material-dependent dispersion relations, the overarching Kramers–Kronig relations describe the frequency dependence of wave propagation and attenuation.

Dispersion may be caused either by geometric boundary conditions (waveguides, shallow water) or by interaction of the waves with the transmitting medium. Elementary particles, considered as matter waves, have a nontrivial dispersion relation even in the absence of geometric constraints and other media.

In the presence of dispersion, wave velocity is no longer uniquely defined, giving rise to the distinction of phase velocity and group velocity.

https://en.wikipedia.org/wiki/Dispersion relation