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electrolytic conduction
The passage of a direct current between metallic electrodes immersed in an ionized solution.

In metals, the electric charges are carried by the electrons of inappreciable mass.

In solutions, the electric charges are carried by electrolytic ions, each having a mass several thousand times as great as the electron.

The positive ions move to the cathode (negative electrode) and the negative ions to the anode (positive electrode).