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spark arrester

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.
Electricity. a device to reduce sparking at contacts where a circuit is opened and closed.
Origin of spark arrester
An Americanism dating back to 1825-35 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for spark arrester
Historical Examples
  • The spark arrester's a good thing all right, so you put it in.

    The Rules of the Game Stewart Edward White
  • Coal sparks are heavy and have little life, and with some engines no spark arrester is needed.

    Farm Engines and How to Run Them James H. Stephenson
  • But there is great danger of setting a fire if an engine is run with wood or straw without the spark arrester.

    Farm Engines and How to Run Them James H. Stephenson
  • In another form of spark arrester, the smoke is made to pass through water, which effectually kills every possible spark.

    Farm Engines and How to Run Them James H. Stephenson
spark arrester in Science
spark arrester
  1. A device designed to keep sparks from escaping, as at a chimney opening or where materials are being welded.

  2. A device used to control or curtail electric sparking at a point where a circuit is made or broken.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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