the GNU version of the Collaborative International Dictionary of English
v. to make inactive.
The Century Dictionary and Cyclopedia
To render inactive: applied to an immune serum the complement of which is being destroyed by heat or by age. Such a serum can be reactivated by the addition of fresh serum.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
v. release from military service or remove from the active list of military service
v. make inactive
Word Usage
"Blood in the high risk category is used to make other blood products as technicians are able to "inactivate" the virus."