Lenard rays

plural noun
Le·​nard rays | \ ˈlāˌnärt-, ləˈnärd- \

Definition of Lenard rays

: a mixture of cathode rays that have emerged from a vacuum tube into the outside space through a window consisting of a piece of thin metal foil and rays emitted by the foil as a result of the incidence of the cathode rays

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History and Etymology for Lenard rays

after Philipp Lenard †1947 German physicist

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Cite this Entry

“Lenard rays.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Lenard%20rays. Accessed 2 Dec. 2020.

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