deactivator

/diˈæktɪveɪtər/
noun
  1. A person or thing that deactivates something, especially a device or substance.
    • This chemical is a powerful deactivator of the enzyme.
    • The remote control acts as a deactivator for the security system.
    • The bomb squad sent a deactivator to handle the suspicious package.
Antonyms
What does "deactivator" mean? | whatsthatwordmean | whatsthatwordmean