double salt

Noun double salt has 1 sense

• double salt(n = noun.substance) - a solution of two simple salts that forms a single substance on crystallization;
has particulars: alum, potash alum, potassium alum, alum, ammonia alum, ammonium alum, potassium sodium tartrate, rochelle salt, rochelle salts, paris green
is a kind of salt, primary solid solution, solid solution