[dih-frak-tom-i-ter, dif-rak-]

noun Physics.

an instrument that is used to study atomic crystal structure by measuring the angles at which x-rays, neutrons, or electrons are diffracted by matter.

Origin of diffractometer

1905–10; diffract + -o- + -meter
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British Dictionary definitions for diffractometer



physics an instrument used in studying diffraction, as in the determination of crystal structure by diffraction of X-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