contamination
noun [ U ] uk/kənˌtæm.ɪˈneɪ.ʃən/ us/kənˌtæm.əˈneɪ.ʃən/
弄脏，污染;玷污
the process of making something dirty or poisonous, or the state of containing unwanted or dangerous substances
The water supply is being tested for contamination . 供水系统正在接受污染测试。
The police immediately sealed off the crime scene to prevent contamination of evidence. 警方立即封锁了犯罪现场，以免污染证据。
See: contaminate
- More examples
- The cause of the contamination was never discovered.
- The contamination has spread to tap water in Tokyo.
- The company is investigating the extent of soil and groundwater contamination and plans to clean it up.