- Electrolysis E`lec*trol"y*sis, n. [Electro- + Gr. ? a loosing, dissolving, fr. ? to loose, dissolve.] (Physics & Chem.) The act or process of chemical decomposition, by the action of electricity; as, the electrolysis of silver or nickel for plating; the electrolysis of water. [1913 Webster]
The Collaborative International Dictionary of English. 2000.