1. to remove dangerous or harmful substances from something

Examples

• Workers must decontaminate the laboratory after each experiment.
• The hazmat team worked to decontaminate the building after the chemical spill.
• Medical equipment needs to be decontaminated between patients.
• They used special chemicals to decontaminate the water supply.
• The cleanup crew will decontaminate the area affected by radiation.
• Emergency responders decontaminated themselves before leaving the site.