Main Entry: dis·per·sion

Pronunciation: \di-ˈspər-zhən, -shən\

Function: noun

Date: 14th century

1 capitalized : diaspora 1a
2 : the act or process of dispersing : the state of being dispersed
3 : the scattering of the values of a frequency distribution from an average
4 : the separation of light into colors by refraction or diffraction with formation of a spectrum; also : the separation of radiation into components in accordance with some varying characteristic (as energy)
5 a : a dispersed substance b : a system consisting of a dispersed substance and the medium in which it is dispersed : colloid 2b