Simple past tense and past participle of decontaminate.(verb)
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Use "decontaminated" in a sentence
"And granted too, defence has been a traditional Tory stronghold and one area of Tory thinking that has not needed to be "decontaminated"."
"Once DC has "decontaminated" the brand he can go on the attack but it might be too late if Darling and friends get their way."
"Police said the home will need to be "decontaminated" before it can be rented again, a procedure that the sheriff's police began over the weekend with help from the Drug Enforcement Agency and the Glenwood"