corrosion
/kəˈrəʊʒən/noun
mass noun
1- the process of corroding metal, stone, or other materials腐蚀; 侵蚀：
each aircraft part is sprayed with oil to prevent corrosion.
飞机的各个部件都喷了油以防腐蚀。
1.1
- damage caused by such a process腐蚀带来的损害：
engineers found the corrosion when checking the bridge.
工程师们检查桥的时候发现了被腐蚀的地方。
词源
late Middle English: from Old French, or from late Latin corrosio（n-）, from Latin corrodere 'gnaw through' （see CORRODE）.