2. Etymology: coined from Greek anodos, "way up", from ana, "up" + hodos, "way". Proposed by William Whewell and published by English chemist and physicist Michael Faraday (1791-1867). So called from the path the electrical current was thought to take.
William Whewell, May 24, 1794–March 6, 1866; was an English polymath, scientist, Anglican priest, philosopher, theologian, and historian of science.
The term anode is a general term for the electrode, terminal, or element through which current enters a conductor; so called from the path the electrical current was thought to take.2. A situation in which the anode current of an electron tube can not be further increased by increasing the anode voltage.
The electrons are then being drawn to the anode at the same rate as they are emitted from the cathode.
The purposeful corrosion of a less desirable metal so that an adjacent preferred metal can be protected from corrosion.