double salt

noun Chemistry.

a salt that crystallizes as a single substance but ionizes as two distinct salts when dissolved, as carnallite, KMgCl3⋅6H2O.

Origin of double salt

First recorded in 1840–50

Words nearby double salt

double quotes, double refraction, double rhyme, double room, double run, double salt, double saucepan, double scull, double sculls, double sharp, double solitaire

British Dictionary definitions for double salt

double salt

noun

a solid solution of two simple salts formed by crystallizing a solution of the two salts Compare complex salt

Scientific definitions for double salt

double salt

A salt that crystallizes from an aqueous solution of a mixture of two different ions. The mineral dolomite (CaMg(CO3)2), for example, is a double salt that crystallizes from a solution containing both calcium and magnesium ions. Double salts exist only as solids. Compare complex salt simple salt.