cathodic protection

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cathodic protection

n
(Metallurgy) metallurgy a technique for protecting metal structures, such as steel ships and pipelines, from electrolytic corrosion by making the structure the cathode in a cell, either by applying an electromotive force directly or by putting it into contact with a more electropositive metal. See also sacrificial anode
References in periodicals archive ?
5 amps to cathodically protect it in very low-resistivity type soils.
The anode will cathodically protect the gas lines in case there's a problem with the coating.
b) The conducting polymer could functional to cathodically protect the metal (a sacrificial anode).