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
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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