decontaminate /(dē̇`kŭn*tăm"ĭ*nāt)/

de·con·tam·i·nate

decontaminate

v. t.
  1. To remove contamination or contaminants from, by a cleansing process; -- usually used of radioactive, infectious, or toxic materials; as, to decontaminate clothing worn by persons with infective disease; decontaminate an area of PCB's after explosion of a transformer.