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

 

electrode

 noun
noun
BrE BrE//ɪˈlektrəʊd//
 
; NAmE NAmE//ɪˈlektroʊd//
 
Electronics
 
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either of two points (or terminals ) by which an electric current enters or leaves a battery or other electrical device see also anode, cathode See related entries: Electronics Word Origin mid 19th cent.: from electric + Greek hodos ‘way’, on the pattern of anode and cathode.
See the Oxford Advanced American Dictionary entry: electrode