单词	diffractometer
释义	diffractometer noun dif·​frac·​tom·​e·​ter di-ˌfrak-ˈtä-mə-tər  : an instrument for analyzing the structure of a usually crystalline substance from the scattering pattern produced when a beam of radiation or particles (such as X-rays or neutrons) strikes it diffractometric di-ˌfrak-tə-ˈme-trik  adjective diffractometry di-ˌfrak-ˈtä-mə-trē  noun Example Sentences Recent Examples on the Web When Elizabeth Sooby, a nuclear materials physicist and assistant professor at the University of Texas at San Antonio, finally re-entered her lab after months away, the X-ray diffractometer was leaning ineffectually on its table. Alia Malik, ExpressNews.com, 8 June 2020 Word History Etymology diffract + -o- + -meter First Known Use 1909, in the meaning defined above
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