corrosivity
/ˌkɒrəˈsɪvɪti/Definitions
1. noun
The state or property of being corrosive; the ability of a substance to cause corrosion.
“The high corrosivity of the acid required special handling precautions.”
2. noun
The degree or extent to which a substance is corrosive.
“The corrosivity of the bleach was a concern for the safety of the workers.”