bremsstrahlung(redirected from Free-free absorption)
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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- in Indo-European roots).]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Atomic Physics) the radiation produced when an electrically charged particle, esp an electron, is slowed down by the electric field of an atomic nucleus or an atomic ion
[C20: German: braking radiation]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
radiation, esp. x-rays, emitted by an accelerating or decelerating charged particle.
[1940–45; < German, =Brems(e) brake + Strahlung radiation]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.