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Nonlocal may refer to:

  • Action at a distance, direct interaction of physical objects that are not in proximity
  • Conjugated system (or nonlocalized bond), in chemistry, a conjugated system is a system of connected p-orbitals with delocalized electrons in compounds with alternating single and multiple bonds, which in general may lower the overall energy of the molecule and increase stability
  • Nonlocal goto, an abstract representation of the control state of a computer program
  • Nonlocal Lagrangian, in field theory, a type of functional which contains terms which are nonlocal in the fields i.e. which are not polynomials or functions of the fields or their derivatives evaluated at a single point in the space of dynamical parameters (e.g. space-time)
  • Non-local means, an algorithm in image processing for image denoising
  • Non-local variable, in programming language theory, a variable that is not defined in the local scope
    • nonlocal, a statement in Python 3 that causes identifiers to refer to their bindings in outer enclosing scopes

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