Assertion: dislocation | /r/CapableOf | define the boundary
Facets:
Source sentences:
text: A dislocation defines the boundary between slipped and unslipped regions of material and as a result, must either form a complete loop or extend to the edges of the crystal.
text: Dislocations define the boundary between slipped and unslipped regions of material and cannot end within a lattice and must either extend to a free edge or form a loop within the crystal.