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lightning arrester

See more synonyms for lightning arrester on Thesaurus.com
noun
  1. a device for preventing damage to radio, telephonic, or other electric equipment from lightning or other high-voltage currents, using spark gaps to carry the current to the ground without passing through the device.
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Origin of lightning arrester

First recorded in 1855–60
Also called arrester.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for lightning arrester

Historical Examples

  • Inspect for contact of lightning-arrester carbons: a piece of writing-paper should pass between them easily.

    The Gunner's Examiner

    Harold E. Cloke


British Dictionary definitions for lightning arrester

lightning arrester

noun
  1. a device that protects electrical equipment, such as an aerial, from an excessive voltage resulting from a lightning discharge or other accidental electric surge, by discharging it to earth
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012