/ Dictionary / Index C corrosion: Meaning and Definition of Find definitions for: cor•ro•sion Pronunciation: (ku-rō'zhun), [key] — n. the act or process of corroding; condition of being corroded. a product of corroding, as rust. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: corrosion (Thesaurus) corrody corrosive Related Content Daily Word Quiz: cetacean Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language