Defect
Encyclopedia

Geometry and physical sciences

  • Defect (geometry)
    Defect (geometry)
    In geometry, the defect means the failure of some angles to add up to the expected amount of 360° or 180°, when such angles in the plane would...

    , a characteristic of a polyhedron
  • Topological defect
    Topological defect
    In mathematics and physics, a topological soliton or a topological defect is a solution of a system of partial differential equations or of a quantum field theory homotopically distinct from the vacuum solution; it can be proven to exist because the boundary conditions entail the existence of...

  • Isoperimetric defect
  • Crystallographic defect
    Crystallographic defect
    Crystalline solids exhibit a periodic crystal structure. The positions of atoms or molecules occur on repeating fixed distances, determined by the unit cell parameters. However, the arrangement of atom or molecules in most crystalline materials is not perfect...

    , a structural imperfection in a crystal

Pop music

  • The Defects
    The Defects
    The Defects were a punk rock band from Belfast, Northern Ireland, formed in 1979.-History:The band formed in 1978 with a line-up of Ian "Buck" Murdock , Marcus "Dukie" Duke , Geoff Gilmore, and Glenn Kingsmore...

    , Northern-Irish punk rock band
  • Defected Records
    Defected Records
    - History :Established in 1999 by former AM:PM and Cooltempo A&R man Simon Dunmore, Defected's first release was Soulsearcher's "I Can't Get Enough" which reached No.5 in the UK singles chart. This early success was followed up with Roger Sanchez's "Another Chance", which hit No.1 in the UK singles...

    , 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.
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
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