Etymology

bremsstrahlung

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Today it means: The electromagnetic radiation produced by the deceleration of a charged particle, such as an electron, when it is deflected by another charged particle, such as an atomic nucleus. Full definition →

German Bremsstrahlung
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The story

  1. German · borrowed fromBremsstrahlung“braking or deceleration radiation”
  2. English todaybremsstrahlung

Borrowed from German Bremsstrahlung (“braking or deceleration radiation”), which had been coined in German by Arnold Sommerfeld from bremsen (“to brake”) + Strahlung (“radiation”) in 1909, and was first used in English by Arthur Edward Ruark and Harold Urey in 1930.

Etymology from Wiktionary, CC BY-SA 4.0.