Definition of anode noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈænəʊd//
; NAmE NAmE//ˈænoʊd//
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the electrode in an electrical device where oxidation occurs; the positive electrode in an electrolytic cell and the negative electrode in a battery compare cathode Word Originmid 19th cent.: from Greek anodos ‘way up’, from ana ‘up’ + hodos ‘way’.
See the Oxford Advanced American Dictionary entry: anode