Wiktionary
diffraction pattern
n. (context physics English) the pattern of lines or spots produced by diffraction; especially the two-dimensional pattern produced by X-ray diffraction that may be used to determine the structure of a crystal or of a crystalline compound
Usage examples of "diffraction pattern".
De Vaca typed in the commands, and the CCD chips captured the diffraction pattern from sixteen separate angles.
On this daywatch an old man in a Hiroshige drawing looked across at a dynamic color abstraction, while an electron diffraction pattern, curving white on black like a surreal galaxy, glowed on the rear bulkhead of the room.