lightning arrester

See 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.

Origin of lightning arrester

1
First recorded in 1855–60

Words Nearby lightning arrester

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How to use lightning arrester in a sentence

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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