Definition of double salt in English:

double salt

noun

Chemistry
  • A crystalline salt having the composition of a mixture of two simple salts but with a different crystal structure from either.

    ‘An exothermic dressing flux, usually containing nitrate salts and silicofluoride double salts, can be used to recover much of this entrapped zinc.’
    ‘Double salts commonly form large crystals more readily than do the single salts that make them up.’