bremsstrahlung

 
Pronunciation: /ˈbrɛmzˌʃtrɑːlʊŋ/

noun

[mass noun] Physics
  • electromagnetic radiation produced by the acceleration or especially the deceleration of a charged particle after passing through the electric and magnetic fields of a nucleus: [as modifier]: bremsstrahlung radiation

Origin:

1940s: from German, from bremsen 'to brake' + Strahlung 'radiation'