recontaminated
/riːkənˈtæmɪneɪtɪd/
verb
- Past tense of recontaminate: contaminated something again after it had been cleaned.
- The cleaned river was recontaminated by a nearby factory's waste.
- The lab sample was recontaminated when the technician forgot to wear gloves.
- They recontaminated the food by using the same cutting board for raw meat.