Field

Field may refer to:

Science

• Field (geography), with a definition similar to that of physics but in a different context and using unique models and methods
• Field research or fieldwork, the collection of information outside a laboratory, library or workplace setting

Mathematics

• 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

Physics

• Field (physics), 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

Engineering and computing

• Field coil or field magnet of an electric motor or generator.
• Field of heliostats, an assembly of heliostats acting together
• 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