# Field

Field may refer to:

## Expanses of open ground

* Field (agriculture), an area of land used for agricultural purposes
* Airfield, an aerodrome that lacks the infrastructure of an airport
* Battlefield
* Lawn, an area of mowed grass
* Meadow, a grassland that is either natural or allowed to grow unmowed and ungrazed
* Playing field, used for sports or games

## Arts and media

* In decorative art, the main area of a decorated zone, often contained within a border, often the background for motifs
** Field (heraldry), the background of a shield
** In flag terminology, the background of a flag
* FIELD (magazine), a literary magazine published by Oberlin College in Oberlin, Ohio
* Field (sculpture), by Anthony Gormley

## Organizations

* Field department, the division of a political campaign tasked with organizing local volunteers and directly contacting voters
* Field Enterprises, a defunct private holding company
** Field Communications, a division of Field Enterprises
* Field Museum of Natural History, in Chicago

## People

* Field (surname)
* Field Cate (born 1997), American child actor

## Places

* Field, British Columbia, Canada
* Field, Kentucky, United States
* Field, Minneapolis, Minnesota, United States
* Field, Ontario, Canada
* Field, Staffordshire, England, United Kingdom
* Field, South Australia
* Field Hill, British Columbia, Canada
* Field Island, Nunavut, Canada
* Mount Field (disambiguation), mountains in Canada, the United States, Australia and Antarctica

## Science, technology, and mathematics
### Biology

* Morphogenetic field, a discrete region of cells in an embryo

### Computing

* Field (computer science), a smaller piece of data from a larger collection (e.g., database fields)
* Column (database), sometimes referred to as 'field', with various meanings
* Field-programmability, an electronic device's capability of being reprogrammed with new logic

### Geology

* Field (mineral deposit), a mineral deposit containing valuable resources in a cost-competitive concentration
* Polje or karst field, a characteristic landform in karst topography

### 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
* Field of a binary relation, union of its domain and its range

### Optics

* Field of view, the area of a view imaged by a lens
** Visual field, the part of the field of view which can be perceived by the eye's retina
** Depth of field, the distance from before to beyond the subject that appears to be in focus (and likewise, field, in the context of depth, is the portion of a scene for which objects within its range are or would be in focus)

### Physics

* 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

### Sociology

* Field (Bourdieu), a sociological term coined by Pierre Bourdieu to describe the system of objective relations constituted by various species of capital
* Sexual field, the systems of objective relations within collective sexual life

### Other uses in science and technology

* Field (geography), a spatially dependent variable
* Field (video), one half of a frame in an interlaced display
* Field coil, of an electric motor or generator
* Field experiment
* Field magnet, a magnet used to produce a magnetic field
* Field research or fieldwork, the collection of information outside a laboratory, library or workplace setting
* Field of heliostats, an assembly of heliostats acting together

## Other uses

* Field of study, a subdivision of an academic discipline
* Field of use, permissible operation by the licensee of a patent
* Track and field, a group of sports