### What is *field*?

### What is *field*?

- A battleground.
- A battle.
- A military area away from headquarters.
- Sports All the contestants or participants in an event, especially all the contestants except the favorite or the winner in a contest of more than two.
- An area or setting of practical activity or application outside an office, school, factory, or laboratory: biologists working in the field; a product tested in the field.
- Mathematics A set of elements having two operations, designated addition and multiplication, satisfying the conditions that multiplication is distributive over addition, that the set is a group under addition, and that the elements with the exception of the additive identity form a group under multiplication.
- Physics A region of space characterized by a physical property, such as gravitational or electromagnetic force or fluid pressure, having a determinable value at every point in the region.