the branch of physics concerned with electromagnetic phenomena
magnetism produced by an electric current; "electromagnetism was discovered when it was observed that a copper wire carrying an electric current can magnetize pieces of iron or steel near it"
a particular kind of commercial enterprise; "they are outstanding in their field"
the area that is visible (as through an optical instrument)
all the competitors in a particular contest or sporting event
all of the horses in a particular horse race
(mathematics) a set of elements such that addition and multiplication are commutative and associative and multiplication is distributive over addition and there are two elements 0 and 1; "the set of all rational numbers is a field"
(computer science) a set of one or more adjacent characters comprising a unit of information
a region in which active military operations are in progress; "the army was in the field awaiting action"; "he served in the Vietnam theater for three years"
somewhere (away from a studio or office or library or laboratory) where practical work is done or data is collected; "anthropologists do much of their work in the field"
a piece of land cleared of trees and usually enclosed; "he planted a field of wheat"
a geographic region (land or sea) under which something valuable is found; "the diamond fields of South Africa"
the space around a radiating body within which its electromagnetic oscillations can exert force on another similar body not in contact with it
select (a team or individual player) for a game; "The Buckeyes fielded a young new quarterback for the Rose Bowl"
answer adequately or successfully; "The lawyer fielded all questions from the press"
a knowledge domain that you are interested in or are communicating about; "it was a limited domain of discourse"; "here we enter the region of opinion"; "the realm of the occult"
territory over which rule or control is exercised; "his domain extended into Europe"; "he made it the law of the land"
the set of values of the independent variable for which a function is defined