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cathodic protection

protection of ferrous metals against electrolysis by the attachment of sacrificial anodes.
Also called electrolytic protection.
Origin of cathodic protection
1930-35 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for cathodic protection
  • Another option for upgrading existing tanks is to add both cathodic protection and interior lining.
  • The rectifier is the heart of the cathodic protection system, supplying the electric power that makes the system work.
  • cathodic protection upgrade shall be performed under the direct supervision and instruction of a corrosion expert.
  • cathodic protection is a procedure by which an underground metallic pipe is protected against corrosion.
  • Checks cathodic protection system monthly for proper operation.
British Dictionary definitions for cathodic protection

cathodic protection

(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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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