Dispersion (noun) Definition, Meaning & Examples

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noun
  1. an act, state, or instance of dispersing or of being dispersed.
  2. Optics.
    • 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.
  3. the scattering of values of a variable around the mean or median of a distribution.
  4. a scattered pattern of hits of bombs dropped under identical conditions or of shots fired from the same gun with the same firing data.
  5. a system of dispersed particles suspended in a solid, liquid, or gas.
  6. Diaspora (def. 1).
noun
  1. another word for dispersal
  2. physics
    • 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 wavelength
  3. the degree to which values of a frequency distribution are scattered around some central point, usually the arithmetic mean or median
  4. a system containing particles dispersed in a solid, liquid, or gas
  5. the pattern of fire from a weapon system
    • 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
  7. the distribution pattern of an animal or a plant population
noun
  1. the Dispersion another name for the Diaspora
    Dispersion (noun) Definition, Meaning & Examples

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