Dispersive power

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(Opt.) the relative effect of a material in separating the different rays of light by refraction, as when the substance is formed into a prism.

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References in periodicals archive ?
60 are coefficients relating the dispersive power (inverse of the flocculative power) and flocculative power (Rengasamy and Sumner 1998) of K and Mg, respectively, to Na and Ca, respectively.
said Friday it has developed the world's most efficient dispersive power generation system by combining a fuel-cell battery and a micro gas turbine.
The coefficient of K was based on the ratio of the dispersive powers (reciprocal of flocculating powers) of Na and K, and the coefficient of Mg was based on the ratio of flocculating powers of Ca and Mg.