self-braking system
nounUK /ˌself ˈbreɪkɪŋ ˈsɪstəm/
US /ˌself ˈbreɪkɪŋ ˈsɪstəm/
A self-braking system is a machine that stops itself when it senses danger.
The car's self-braking system stopped the car before it hit the tree.
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RELATED WORDS
OTHER MEANINGS
2. A braking mechanism that engages automatically when a machine detects a fault or overload.
The elevator's self-braking system locked the cabin in place during the power cut.
3. A built-in safety feature that slows a device without human input.
The robot vacuum has a self-braking system that stops it at the edge of stairs.
4. An automatic stopping function in industrial equipment that activates when a worker gets too close.
The factory saw's self-braking system halted the blade the moment the guard was lifted.