"remove the contamination from," 1936, from de- "do the opposite of" + contaminate (v.). Originally in reference to poison gas. Related: Decontaminated; decontaminating; decontamination.
The soil around the housing development had to be decontaminated by the city
deconcentrate
decondition
decongestant
deconstruct
deconstruction
decontaminate
decontextualize
decontrol
decor
decorate
decorated
)window.location='https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=byronic106@yahoo.com&lc=US&item_name=Donation+to +Help+Keep+Etymonline+Free+and+Open&no_note=0&cn=&curency_code=USD&bn=PP-DonationsBF:btn_donateCC_LG.gif:NonHosted'){kind=link}