decontaminate
/ˌdikənˈtæməneɪt/
verb
- To remove dangerous or unwanted substances, such as germs, chemicals, or radiation, from something.
- The hospital uses special equipment to decontaminate surgical tools.
- Workers had to decontaminate the lab after a chemical spill.
- After the flood, volunteers helped decontaminate the water supply.
Antonyms