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Faraday cage

noun
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Definition of Faraday cage

: a grounded metallic screen completely surrounding a space to protect it from external electrostatic influence

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“Faraday cage.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/Faraday%20cage. Accessed 16 December 2019.

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