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

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, "From underground to warming homes and businesses all around," 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, "How Will the Keystone XL Pipeline Be Built?," 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.

First Known Use of cathodic protection

1930, in the meaning defined above

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The first known use of cathodic protection was in 1930

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not constant or steady

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