Poulsen arc

noun
Poul·​sen arc | \ ˈpau̇lzən-, -lsən- \

Definition of Poulsen arc

physics
: a direct-current arc formerly used for producing undamped high-frequency oscillations

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History and Etymology for Poulsen arc

after Valdemar Poulsen †1942 Danish electrical engineer

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Cite this Entry

“Poulsen arc.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Poulsen%20arc. Accessed 25 Oct. 2020.

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