brems·strah·lung 
(brĕmshträ′ləng)
(brĕmshträ′ləng)n.
The electromagnetic radiation produced by the acceleration of an electrically charged particle, as when an electron is deflected in the electric field of an atom or molecule.
[German : Bremse, brake (from Middle Low German premse, from pramen, to press) + Strahlung, radiation (from strahlen, to radiate, from Strahl, ray, from Middle High German strāle, from Old High German strāla, arrow, stripe; see ster-2 in the Appendix of Indo-European roots).]