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Faraday cage

noun Physics.

an enclosure constructed of grounded wire mesh or parallel wires that shields sensitive electrical instruments from electrostatic interference.

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Origin of Faraday cage

First recorded in 1915–20; named after M. Faraday
Also called Faraday shield.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for faraday cage

Faraday cage

noun

an earthed conducting cage or container used to protect electrical equipment against electric fields

Word Origin for Faraday cage

C20: named after Michael Faraday
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

Science definitions for faraday cage

Faraday cage

A container made of a conductor, such as wire mesh or metal plates, shielding what it encloses from external electric fields. Since the conductor is an equipotential, there are no potential differences inside the container. The metal hull of an aircraft acts as a faraday cage, protecting its occupants from lightning. Faraday cages are used to protect electronic equipment from such electrical interference as electromagnetic interference. Also called Faraday shield
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.