Disinfestation
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
the activity of getting rid of vermin
Word Usage
"The Tories will have to do a lot of "disinfestation" of the BBC, Civil Service, Local Government and Quango's when they take over."
Hypernym
Words that are more generic or abstract
cleaning
cleansing
cleanup