1.
the removal of unwanted ions from a solution by applying a direct electric current to electrodes inserted in a dialysis system
2.
the desalination of salt water by electrolysis through a series of semipermeable membranes
3.
a form of dialysis in which the separation of substances is accelerated by an electric current applied to the electrodes. The desalination of seawater is an example of a use of electrodialysis.