Definition of dispersion
2
: the act or process of dispersing : the state of being dispersed
crowd dispersion
4
physics
: the separation of light into colors by refraction or diffraction with formation of a spectrum
also
: the separation of radiation (see radiation sense 2) into components in accordance with some varying characteristic (such as energy)
5
chemistry
a
: a dispersed (see disperse sense 2c) substance
b
: a system (see system sense 1a(2)) consisting of a dispersed substance and the medium in which it is dispersed : colloid sense 2b
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Merriam-Webster unabridged
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Time Traveler for dispersion
The first known use of dispersion was in the 14th century
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