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cathodic protection
noun
- protection of ferrous metals against electrolysis by the attachment of sacrificial anodes.
cathodic protection
noun
- 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
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Word History and Origins
Origin of cathodic protection1
First recorded in 1930–35
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