Pronunciation: (ku-rō'siv), [key]
1. having the quality of corroding or eating away; erosive.
2. harmful or destructive; deleterious: the corrosive effect of poverty on their marriage.
3. sharply sarcastic; caustic: corrosive comments on the speaker's integrity.
something corrosive, as an acid or drug.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.