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- Dictionarykill switch
noun
- 1. a mechanism for switching off a machine abruptly, especially in an emergency: "it is handy to have a strategically placed kill switch to stop the engine immediately"
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noun
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A kill switch, also known more formally as an emergency brake, emergency stop, emergency off (EMO), or emergency power off (EPO), is a safety mechanism used to shut off machinery in an emergency, when it cannot be shut down in the usual manner. Unlike a normal shut-down switch or shut-down procedure, which shuts down all systems in order and turns off the machine without damage, a kill switch is d... Wikipedia