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x-unit

[ eks-yoo-nit ]

noun

  1. a unit formerly used to express the wavelength of x-rays and gamma rays, equal to approximately 10− 11 centimeters. : Xu, XU


x-unit

noun

  1. a unit of length equal to 0.100 202 × 10 –12metre, for expressing the wavelengths of X-rays and gamma rays
“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

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