dead man's switch

Definitions

A switch that ensures a fail-safe condition by automatically triggering an action (for instance, to stop a machine or vehicle) if a specified input from the operator is not made or is altered.

Equivalents

Examples

“Holonyms: device, machine”

“This seat is equipped with a dead man's switch⟳. As the theory goes, "if the driver stops sitting, the machine is quitting."”

“P.S. What about using a disc collection with a specific weight as a dead man's switch⟳? Or making up a new format out of rare, esoteric, or even thaumaturgical materials, and using the anomaly to duplicate them? Or...”

CEFR level