large-angle grain boundary, large-angle boundary, high-angle grain boundary, high-angle boundary
terapiir, kus polükristalli eri osade (terade) kristallivõred on orienteeritud nurkade all üle 15° (vrd väikenurkterapiir), grain boundary in polycrystalline structure, where the orientation change of the lattices is more than 15o (compare: small-angle grain boundary)