/ Dictionary / Index C corrosive: Meaning and Definition of Find definitions for: cor•ro•sive Pronunciation: (ku-rō'siv), [key] — adj. having the quality of corroding or eating away; erosive. harmful or destructive; deleterious: the corrosive effect of poverty on their marriage. sharply sarcastic; caustic: corrosive comments on the speaker's integrity. —n. something corrosive, as an acid or drug. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: corrosive (Thesaurus) corrosion corrosive sublimate Related Content Daily Word Quiz: stringent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language