- to make inactive: The bomb was inactivated.
- Immunology. to stop the activity of (certain biological substances).
Origin of inactivate
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for inactivate
Extracts in which no attempt was made to inactivate the enzymes present proved unsatisfactory.Myology and Serology of the Avian Family Fringillidae
William B. Stallcup
- (tr) to render inactive
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
- To render nonfunctional.
- To make quiescent.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.