/ Dictionary / Index C cathodic protection: Meaning and Definition of Find definitions for: cathod'ic protec'tion Pronunciation: [key] protection of ferrous metals against electrolysis by the attachment of sacrificial anodes. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. cathodic cathodoluminescence Related Content Daily Word Quiz: fervor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language