deactivate
[dee-ak-tuh-veyt]
verb (used with object), de·ac·ti·vat·ed, de·ac·ti·vat·ing.
to cause to be inactive; remove the effectiveness of.
to demobilize or disband (a military unit).
to render (a bomb, shell, or the like) inoperative, especially by disconnecting, removing, or otherwise interfering with the action of the fuze.
Chemistry. to render (a chemical, enzyme, catalyst, etc.) inactive.
verb (used without object), de·ac·ti·vat·ed, de·ac·ti·vat·ing.
Physical Chemistry. to lose radioactivity.
Origin of deactivate
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for deactivate
Historical Examples of deactivate
It will not be possible to deactivate it before 12.45 hours.
The Lost KafoozalumPauline Ashwell
Conn used the manual control to set it down and deactivate it, then got out and went to examine it.
The Cosmic ComputerHenry Beam Piper
deactivate
verb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Online Etymology Dictionary, © 2010 Douglas Harper