powder_technique has definitions from the field of crystallography
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[ noun ] (crystallography) a process for identifying minerals or crystals; a small rod is coated with a powdered form of the substance and subjected to suitably modified X-rays; the pattern of diffracted rings is used for identification

Used in print

(Dan McLachlan, Jr., "Communication Networks and...)

For_example , there are persons who are in physical_science , in the field of mineralogy , trained in crystallography , who use only X-rays , applying only the powder_technique of X-ray_diffraction , to clay minerals only , and who have spent the last fifteen years concentrating_on the montmorillonites ; or persons in the social_sciences in the field of anthropology , studying the lung capacity of seven Andean Indians .

Related terms

photography

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