- the variation of the index of refraction of a transparent substance, as glass, with the wavelength of light, with the index of refraction increasing as the wavelength decreases.
- the separation of white or compound light into its respective colors, as in the formation of a spectrum by a prism.
Origin of dispersion
Examples from the Web for dispersion
Contemporary Examples of dispersion
Egyptian president Morsi prays fervently in front row as an imam calls for the dispersion of the Jews.Egyptians Don't Hide Their Anti-Semitism
October 24, 2012
Historical Examples of dispersion
Dispersion of the armament against Algiers by stress of weather.
His departure was the signal for the dispersion of the fleet.
Had a shell fallen on the table, the dispersion could not have been more instantaneous.One Of Them
Charles James Lever
To continue his flight meant capture or dispersion of his forces.Rodney, the Ranger
John V. Lane
They could not be as they are had no law regulated their creation and dispersion.Contributions to the Theory of Natural Selection
Alfred Russel Wallace
- the separation of electromagnetic radiation into constituents of different wavelengths
- a measure of the ability of a substance to separate by refraction, expressed by the first differential of the refractive index with respect to wavelength at a given value of wavelengthSymbol: D
- the range of speeds of such objects as the stars in a galaxy
- the frequency-dependent retardation of radio waves as they pass through the interstellar medium
- the deviation of a rocket from its prescribed path
late 14c., from Old French dispersion (13c.), from Latin dispersionem (nominative dispersio) "a scattering," noun of action from past participle stem of dispergere (see disperse).