Definitions

1. noun

A device or mechanism that can disable or shut off a system, circuit, or device.

“The deactivator was used to shut down the nuclear reactor in case of an emergency.”

2. noun

A person or thing that deactivates something.

“The security team was tasked with serving as deactivators for the explosive device.”

3. verb

To remove the active or operational status of something.

“The software engineer deactivated the user account after it was found to be compromised.”