n. The process of removing contamination, particularly the cleaning off of dangerous materials.
the GNU version of the Collaborative International Dictionary of English
n. The removal of contaminants.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. the removal of contaminants
Word Usage
"Volunteer groups, meanwhile, are handing out thousands of so-called decontamination balls made from sand, rice husks and various micro-organisms they say kill germs in small areas of water."