electrolysis

Definition

The chemical change produced by passing an electric current through a conducting solution or a molten salt.

Etymology

Coined by English polymath William Whewell in 1834 for Michael Faraday. From electro- + -lysis (“a loosening”). Originally of tumors, later (1909) of hair removal.

Example Sentences

• "But current leakage in a Tube tunnel can cause electrolysis to occur in steel retaining walls, which in turn causes them to rust; it could also damage the foundations of nearby buildings."