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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.
Also called Faraday shield.
Origin of Faraday cage
First recorded in 1915-20; named after M. Faraday Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for faraday shield

Faraday cage

an earthed conducting cage or container used to protect electrical equipment against electric fields
Word Origin
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
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faraday shield in Science
Faraday shield  
See 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 © 2002. Published by Houghton Mifflin. All rights reserved.
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