The negatively charged electrode in a polarized electrical device where reduction occurs.

कैथोड

English Usage: In a voltaic cell, the cathode is the site of reduction.

Hindi Usage: वोल्टाईक सेल में, कैथोड न्यूनीकरण का स्थान है।

A phenomenon in electrochemistry where the accumulation of reaction products on the cathode leads to reduced effectiveness or failure of the electrode.