单词 | grenz rays |
释义 | grenz rays/ (ɡrɛnz) / nounphysics X-rays of long wavelength produced in a device when electrons are accelerated through 25 kilovolts or less Word Origin for grenz raysC20: from grenz from German Grenze boundary Words nearby grenz raysGrenadines, Grendel, Grenfell, Grenoble, Grenville, grenz rays, Gresham, Gresham's law, gressorial, Greta, Gretchen Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Medical definitions for grenz raysgrenz rays [ grĕnts ] pl.n.Very soft x-rays, closely allied to ultraviolet rays in their wavelength and in their biological action upon tissues. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. |
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