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enclosed arc lamp

noun
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Definition of enclosed arc lamp

: an arc lamp having electrodes protected from the atmosphere by a close-fitting globe that much reduces their rate of consumption

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History and Etymology for enclosed arc lamp

enclosed from past participle of enclose

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“Enclosed arc lamp.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/enclosed%20arc%20lamp. Accessed 20 January 2020.

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