Definition of "deactivation" [de•ac•ti•va•tion]

• The act of deactivating something, such as a bomb (noun)

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• "In addition, closing and then revamping Thornridge constitutes a formal "deactivation" of the school, the lawsuit claims."
• "Intel Anti-Theft Technology version 3.0 capabilities, such as deactivation and reactivation over via select 3G modules, into SecureDoc, businesses will be able to react very quickly when"
• "Before a single note was played, the pianists exhibited a "deactivation" of the dorsolateral prefrontal cortex (DLPFC), a brain area associated with planned actions and self-control."