corrosive
SUBSTANCE THAT WILL DAMAGE OR DESTROY OTHER SUBSTANCES WITH WHICH IT COMES INTO CONTACT BY MEANS OF A CHEMICAL REACTION
Causticity; Caustic (substance); Corrosiveness; Corrosive; Corrosive material; Corrosive chemical; Corrosive agents
1.
A corrosive substance is able to destroy solid materials by a chemical reaction.
Sodium and sulphur are highly corrosive.
ADJ
2.
If you say that something has a corrosive effect, you mean that it gradually causes serious harm. (FORMAL)
...the corrosive effects of inflation.
= damaging
ADJ