Defect

Defect, defects, or defected may refer to:

Geometry and physical sciences

• Defect (geometry), a characteristic of a polyhedron
• Topological defect
• Isoperimetric defect
• Crystallographic defect, a structural imperfection in a crystal

Biology and medicine

• Congenital disorder, a medical condition present at birth

Computing

• Software bug, a failure of computer software to meet requirements

Politics

• The action of defection, abandoning allegiance to one country for another

Pop music

• The Defects, Northern-Irish punk rock band
• Defected Records, a music label

Manufacturing

Defect is defined as non-conformity observed in a unit against the specifications. A unit may have multiple types of defects at the same time. E.g. a night torch may not turn on at the press of its button.