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electrode
(ē lek′trōd′, i-)
noun
any terminal that conducts an electric current into or away from various conducting substances in a circuit, as the anode or cathode in a battery or the carbons in an arc lamp, or that emits, collects, or controls the flow of electrons in an electron tube, as the cathode, plate, or grid
Origin: electr(o)- + -ode
See electrode in American Heritage Dictionary 4
noun
- A solid electric conductor through which an electric current enters or leaves an electrolytic cell or other medium.
- A collector or emitter of electric charge or of electric-charge carriers, as in a semiconducting device.
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