- spark arrester
- noun1. electrical device to reduce sparking when electrical contacts are opened or closed• Hypernyms: ↑electrical device2. a wire net to stop sparks from an open fireplace or smokestack• Syn: ↑sparker
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noun1. : a device for preventing the escape of sparks from a smokestack; especially : a framework of wire in the smokebox of a steam locomotive to arrest the escape of cinders2. : a device to minimize or prevent electric sparking at a place where a circuit is made and broken* * *
1. a device, consisting of wire netting or other material, used to stop or deflect sparks thrown from an open fireplace, a smokestack, or the like.2. Elect. a device to reduce sparking at contacts where a circuit is opened and closed.[1825-35, Amer.]* * *
spark arrester,1. anything that keeps sparks from flying, such as a piece of mesh on the top of a chimney.2. Electricity. a device for preventing or minimizing injurious sparking at points where frequent interruptions of the circuit occur, such as in telegraph keys or relays.
Useful english dictionary. 2012.