Topological defect
[ca] Defecte topològic
[es] Defecto topológico
[fa] گسل توپولوژیک
[fr] Défaut topologique
[id] Defek topologi
[it] Difetto topologico
[ja] 位相欠陥
[ko] 위상수학적 결함
[pt] Defeito topológico
[ru] Топологический дефект