Electrode
WordNet
noun
(1) A conductor used to make electrical contact with some part of a circuit
WiktionaryText
Etymology
The word was coined by the scientist Michael Faraday from the Greek words elektron (meaning amber, from which the word electricity is derived) and hodos, a way.
Noun
- the terminal through which electric current passes between metallic and nonmetallic parts of an electric circuit
- a collector or emitter of electric charge in a semiconducting device