cathodic protection


Definition of cathodic protection

: the prevention of electrolytic corrosion of a usually metallic structure (such as a pipeline) by causing it to act as the cathode rather than as the anode of an electrochemical cell

Examples of cathodic protection in a Sentence

Recent Examples on the Web With one site near Streetman and the other near Corsicana, the cathodic protection wells target the Wildcat field down to a depth of 390 feet. Sergio Chapa, Houston Chronicle, 14 Oct. 2019 Electrochemical protection: An electrochemical method, called cathodic protection, is being installed to protect underground piping from corrosion and allow for enhanced monitoring of the pipeline system. For Lg&e And Ku, The Courier-Journal, 23 Jan. 2018 Also, TransCanada plans to use a measure called cathodic protection, in which impressed electrical current flows through the surface of the pipeline. Bobby Magill, Popular Mechanics, 8 Apr. 2013

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'cathodic protection.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of cathodic protection

1930, in the meaning defined above

Keep scrolling for more

Learn More About cathodic protection

Time Traveler for cathodic protection

Time Traveler

The first known use of cathodic protection was in 1930

See more words from the same year

Dictionary Entries Near cathodic protection

cathode spot

cathodic protection


See More Nearby Entries 

Statistics for cathodic protection

Cite this Entry

“Cathodic protection.” Dictionary, Merriam-Webster, Accessed 23 Sep. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More from Merriam-Webster on cathodic protection Encyclopedia article about cathodic protection


Test Your Vocabulary

Dog Words Quiz

  • shiba puppy more or less demanding cuddles
  • Which of the following animals has a dog in its etymology?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

 AlphaBear 2

Spell words. Make bears.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!