double salt

noun Chemistry.

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

Nearby words

  1. double quotes,
  2. double refraction,
  3. double rhyme,
  4. double room,
  5. double run,
  6. double saucepan,
  7. double scull,
  8. double sculls,
  9. double sharp,
  10. double solitaire

Origin of double salt

First recorded in 1840–50 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for double salt

double salt


a solid solution of two simple salts formed by crystallizing a solution of the two saltsCompare complex salt
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Science 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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.