definition of
corrosive

[1] #1 corrosive s. [caustic, erosive, vitriolic, mordant] of a substance, especially a strong acid; capable of destroying or eating away by chemical action. wn

[2] #2 corrosive n. a substance having the tendency to cause corrosion (such a strong acids or alkali). wn

[3] #3 corrosive s. spitefully sarcastic; "corrosive cristism". wn