crystal lattice defect

synonym: crystallographic defect
https://doi.org/10.1351/goldbook.13807
Interruption to the regular pattern of atomic arrangement in crystal lattices.
Note: In this context, the terms are commonly shortened to "defect".
Source:
PAC, 2012, 85, 463. (Terminology for aggregation and self-assembly in polymer science (IUPAC Recommendations 2013)) on page 468 [Terms] [Paper]