cathodic protection

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noun

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

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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, cat hole, catholic, Catholic Apostolic Church, catholicate

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use cathodic protection in a sentence

Satirists occupy a perilous position—to skewer dogma and cant, and to antagonize the establishment while needing its protection.
Harry Shearer on The Dangerous Business of Satire|Lloyd Grove|January 8, 2015|DAILY BEAST
As for the federal authorities, they have made themselves available but the clergy have not requested special protection.
Mexico’s Priests Are Marked for Murder|Jason McGahan|January 7, 2015|DAILY BEAST
But the fact of the matter is the equal protection they cling to is not the reality.
What Would Happen if I Got in White Cop’s Face?|Goldie Taylor|December 30, 2014|DAILY BEAST
The protection will last as long as Winston can still fling the ball 50 yards downfield to a streaking wide receiver.
Jameis Winston Cleared of Rape Like Every Other College Sports Star|Robert Silverman|December 22, 2014|DAILY BEAST

And the budget provides $697,000 to the “Horse Protection Act of 1970.”
Congress’ Gift That Keeps on Giving|P. J. O’Rourke|December 20, 2014|DAILY BEAST
Were they to be driven out,—driven out this very day, when the Virgin had only just now seemed to promise her help and protection?
Ramona|Helen Hunt Jackson
Otherwise the thin-walled houses would have been slight protection for the sleeping travellers.
Our Little Korean Cousin|H. Lee M. Pike
On the city side, narrow lanes, lofty houses and strongly-built palaces offered secure protection to the besiegers.
The Red Year|Louis Tracy
His cousin amused, stimulated her beyond anything Tom could offer; she sought protection from him, leant upon him.
The Wave|Algernon Blackwood
There is no protection there for the ships against submarines except Enos harbour and Enos is only one fathom deep.
Gallipoli Diary, Volume I|Ian Hamilton

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