Anode

An anode (from the Greek άνοδος = 'going up') is the positive electrode in an electrolytic system or circuit. Literally, the path through which the electrons ascend out of an electrolyte solution.

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In electrochemistry, the anode is where oxidation occurs and is also the negative discharge plate in an electrochemical cell. In charge mode the flow reverses and this plate becomes the cathode. In electronic circuits such as a cathode ray tube or a diode, the anode is the positive plate.

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In solution negatively charged particles, anions, flow to the anode. In vacuum tubes or circuits electrons flow to the anode.

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The opposite of an anode is a cathode.

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Greek: The noun Greek refers to:...

Electrode: An electrode is a conductor used to make contact with a nonmetallic part of a circuit (e.g. a semiconductor, an electrolyte or a vacuum). The word was coined by the scientist Michael Faraday from the Greek words elektron (meaning amber, whence the word electricity is derived) and hodos, a way ....

Electrolyte: An electrolyte is a substance which dissociates free ions when dissolved (or molten), to produce an electrically conductive medium. Because they generally consist of ions in solution, electrolytes are also known as ionic solutes. They are sometimes referred to in abbreviated jargon as lytes....