Etymology
The word "anode" comes from the Greek words "ana" (ἀνά), meaning "up," and "hodos" (ὁδός), meaning "way" or "path."
Meaning
An anode is a positively charged electrode in an electrochemical cell or circuit. It is where oxidation reactions occur, resulting in the release of electrons. Electrons flow from the anode to the cathode through an external circuit.
Origin
The term "anode" was first used in 1834 by the British scientist William Whewell. He coined the term to describe the positive electrode in an electrochemical cell, where positively charged ions migrate. The term became widely adopted in the field of electrochemistry and is still used today.
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