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A defect is a physical, functional, or aesthetic attribute of a product or service that exhibits that the product or service failed to meet one of the desired specifications. Defect, defects or defected may also refer to:


  • Angular defect, failure of some angles to add up to the expected amount of 360° or 180°, when such angles in the Euclidean plane would
  • Birth defect, a condition present at birth
  • Crystallographic defect, defects in the crystal lattice of solid materials
  • Latent defect, a fault in a property which could not have been discovered by a reasonably thorough inspection before completion or acquisition.
  • Product defect, a characteristic of a product which hinders its usability
    • Software bug, a failure of computer software to meet requirements
  • Social defect [ru], a sociological disorder


Other uses[edit]

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

See also[edit]