powder pattern

powder pattern

[′pau̇d·ər ‚pad·ərn] (crystallography) In the powder method of x-ray diffraction analysis, the display of lines made on film by the Debye-Scherrer method or on paper by a recording diffractometer. (electromagnetism) The pattern created by very fine powders or colloidal particles, spread over the surface of a magnetic material; reveals the magnetic domains in a single crystal of such material.