Poulsen arc

noun

Poul·​sen arc
ˈpau̇lzən-,
-lsən-
physics
: a direct-current arc formerly used for producing undamped high-frequency oscillations

Word History

Etymology

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 22 Jun. 2024.

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