de·con·tam·in·ateBrE/ˌdiːkənˈtæmɪneɪt/NAmE/ˌdiːkənˈtæmɪneɪt/verbpresent simple - I / you / we / theydecontaminateBrE/ˌdiːkənˈtæmɪneɪt/NAmE/ˌdiːkənˈtæmɪneɪt/present simple - he / she / itdecontaminatesBrE/ˌdiːkənˈtæmɪneɪts/NAmE/ˌdiːkənˈtæmɪneɪts/past simpledecontaminatedBrE/ˌdiːkənˈtæmɪneɪtɪd/NAmE/ˌdiːkənˈtæmɪneɪtɪd/past participledecontaminatedBrE/ˌdiːkənˈtæmɪneɪtɪd/NAmE/ˌdiːkənˈtæmɪneɪtɪd/ -ing formdecontaminatingBrE/ˌdiːkənˈtæmɪneɪtɪŋ/NAmE/ˌdiːkənˈtæmɪneɪtɪŋ/~sthtoremoveharmfulsubstancesfromaplaceorthing清除有害物质;排除…的污染◆theprocessofdecontaminatingareasexposedtoradioactivity清除受放射污染地区有害物质的过程▸de·con·tam·in·ationBrE/ˌdiːkənˌtæmɪˈneɪʃn/NAmE/ˌdiːkənˌtæmɪˈneɪʃn/noun[U]