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The definition of anode and cathode is consistent across all of chemistry and physics.
http://www.av8n.com/physics/anode-cathode.htm
Not quite true. One dictionary of science(Penguin?) gives different definitions for both
electrolytic and electrochemical cells...
In electrolytic cell, the cathode is the electrode where the negative polarity is applied to
drive the cell... (-ve) In electrochemical cell, the cathode is the electrode at which reduction
occurs... (+ve)