Proceeding from a nerve centre; efferent(adjective)
Of or pertaining to a cathode(adjective)
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Use "cathodic" in a sentence
"They're also protected from corrosion and tested regularly using a specialized process known as cathodic protection, he said."
"The system, called cathodic protection, keeps rust from forming and corroding the metal walls."
"Seems the electrical field from the lines penetrates past the six feet of earth protecting the pipelines and accelerates the cathodic erosion of the steel pipelines."