Definition of Nernst lamp
: an electric incandescent lamp whose filament or rod consists of a mixture of magnesia with oxides of the rare earth metals that on being raised to a high temperature (as by a glowing platinum spiral) becomes luminous and conducting and may be kept thus by the passage of a comparatively weak current and without a vacuum
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“Nernst lamp.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Nernst%20lamp. Accessed 2 Jul. 2022.
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