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• Field (computer science), a smaller piece of data from a larger collection (e.g., database fields)
• Field-programmability, an electronic device's capability of being reprogrammed with new logic

• Field (mathematics), type of algebraic structure
  • Number field, specific type of the above algebraic structure
• Scalar field, assignment of a scalar to each point in a mathematical space
• Tensor field, assignment of a tensor to each point in a mathematical space
• Vector field, assignment of a vector to each point in a mathematical space
• Field of sets, a mathematical structure of sets in an abstract space
• Field of a binary relation, union of its domain and its range

• Field (physics), a mathematical construct for analysis of remote effects
  • Electric field, term in physics to describe the energy that surrounds electrically charged particles
  • Magnetic field, force produced by moving electric charges
  • Electromagnetic field, combination of an electric field and magnetic field
  • Gravitational field, a representation of the combined effects of remote masses on a test particle at each point