cathodic protection
noun
protection of ferrous metals against electrolysis by the attachment of sacrificial anodes.
Also called
electrolytic protection.
Origin of cathodic protection
First recorded in 1930–35
Words nearby cathodic protection
cathode glow,
cathode ray,
cathode rays,
cathode-ray tube,
cathodic,
cathodic protection,
cathodoluminescence,
catholic,
catholic apostolic church,
catholic church,
catholic emancipation act
British Dictionary definitions for cathodic protection
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