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definitions

cathodic protection

noun

protection of ferrous metals against electrolysis by the attachment of sacrificial anodes.

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Nearby words

  1. cathode glow,
  2. cathode ray,
  3. cathode rays,
  4. cathode-ray tube,
  5. cathodic,
  6. cathodoluminescence,
  7. catholic,
  8. catholic apostolic church,
  9. catholic church,
  10. catholic emancipation act

Origin of cathodic protection

First recorded in 1930–35
Also called electrolytic protection.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
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 metalSee 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