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Magnetic field   /mægnˈɛtɪk fild/   Listen
noun
field  n.  
1.
Cleared land; land suitable for tillage or pasture; cultivated ground; the open country.
2.
A piece of land of considerable size; esp., a piece inclosed for tillage or pasture. "Fields which promise corn and wine."
3.
A place where a battle is fought; also, the battle itself. "In this glorious and well-foughten field." "What though the field be lost?"
4.
An open space; an extent; an expanse. Esp.:
(a)
Any blank space or ground on which figures are drawn or projected.
(b)
The space covered by an optical instrument at one view; as, wide-field binoculars. "Without covering, save yon field of stars." "Ask of yonder argent fields above."
5.
(Her.) The whole surface of an escutcheon; also, so much of it is shown unconcealed by the different bearings upon it.
6.
An unresticted or favorable opportunity for action, operation, or achievement; province; room. "Afforded a clear field for moral experiments."
7.
(Sports) An open, usually flat, piece of land on which a sports contest is played; a playing field; as, a football field; a baseball field.
Synonyms: playing field, athletic field, playing area.
8.
Specifically: (Baseball) That part of the grounds reserved for the players which is outside of the diamond; called also outfield.
9.
A geographic region (land or sea) which has some notable feature, activity or valuable resource; as, the diamond fields of South Africa; an oil field; a gold field; an ice field.
10.
A facility having an airstrip where airplanes can take off and land; an airfield.
Synonyms: airfield, landing field, flying field, aerodrome.
11.
A collective term for all the competitors in any outdoor contest or trial, or for all except the favorites in the betting.
12.
A branch of knowledge or sphere of activity; especially, a learned or professional discipline; as, she's an expert in the field of geology; in what field did she get her doctorate?; they are the top company in the field of entertainment.
Synonyms: discipline, subject, subject area, subject field, field of study, study, branch of knowledge. Note: Within the master text files of this electronic dictionary, where a word is used in a specific sense in some specialized field of knowledge, that field is indicated by the tags: () preceding that sense of the word.
13.
A location, usually outdoors, away from a studio or office or library or laboratory, where practical work is done or data is collected; as, anthropologists do much of their work in the field; the paleontologist is in the field collecting specimens. Usually used in the phrase in the field.
14.
(Physics) The influence of a physical object, such as an electrically charged body, which is capable of exerting force on objects at a distance; also, the region of space over which such an influence is effective; as, the earth's gravitational field; an electrical field; a magnetic field; a force field.
15.
(Math.) A set of elements within which operations can be defined analagous to the operations of addition, subtraction, multiplication, and division on the real numbers; within such a set of elements addition and multiplication are commutative and associative and multiplication is distributive over addition and there are two elements 0 and 1; a commutative division ring; as, the set of all rational numbers is a field. Note: Field is often used adjectively in the sense of belonging to, or used in, the fields; especially with reference to the operations and equipments of an army during a campaign away from permanent camps and fortifications. In most cases such use of the word is sufficiently clear; as, field battery; field fortification; field gun; field hospital, etc. A field geologist, naturalist, etc., is one who makes investigations or collections out of doors. A survey uses a field book for recording field notes, i.e., measurment, observations, etc., made in field work (outdoor operations). A farmer or planter employs field hands, and may use a field roller or a field derrick. Field sports are hunting, fishing, athletic games, etc.
Coal field (Geol.) See under Coal.
Field artillery, light ordnance mounted on wheels, for the use of a marching army.
Field basil (Bot.), a plant of the Mint family (Calamintha Acinos); called also basil thyme.
Field colors (Mil.), small flags for marking out the positions for squadrons and battalions; camp colors.
Field cricket (Zool.), a large European cricket (Gryllus campestric), remarkable for its loud notes.
Field day.
(a)
A day in the fields.
(b)
(Mil.) A day when troops are taken into the field for instruction in evolutions.
(c)
A day of unusual exertion or display; a gala day.
Field driver, in New England, an officer charged with the driving of stray cattle to the pound.
Field duck (Zool.), the little bustard (Otis tetrax), found in Southern Europe.
Field glass. (Optics)
(a)
A binocular telescope of compact form; a lorgnette; a race glass.
(b)
A small achromatic telescope, from 20 to 24 inches long, and having 3 to 6 draws.
(c)
See Field lens.
Field lark. (Zool.)
(a)
The skylark.
(b)
The tree pipit.
Field lens (Optics), that one of the two lenses forming the eyepiece of an astronomical telescope or compound microscope which is nearer the object glass; called also field glass.
Field madder (Bot.), a plant (Sherardia arvensis) used in dyeing.
Field marshal (Mil.), the highest military rank conferred in the British and other European armies.
Field officer (Mil.), an officer above the rank of captain and below that of general.
Field officer's court (U.S.Army), a court-martial consisting of one field officer empowered to try all cases, in time of war, subject to jurisdiction of garrison and regimental courts.
Field plover (Zool.), the black-bellied plover (Charadrius squatarola); also sometimes applied to the Bartramian sandpiper (Bartramia longicauda).
Field spaniel (Zool.), a small spaniel used in hunting small game.
Field sparrow. (Zool.)
(a)
A small American sparrow (Spizella pusilla).
(b)
The hedge sparrow. (Eng.)
Field staff (Mil.), a staff formerly used by gunners to hold a lighted match for discharging a gun.
Field vole (Zool.), the European meadow mouse.
Field of ice, a large body of floating ice; a pack.
Field of view (or Field), in a telescope or microscope, the entire space within which objects are seen.
Field magnet. see under Magnet.
Magnetic field. See Magnetic.
To back the field, or To bet on the field. See under Back, v. t. To keep the field.
(a)
(Mil.) To continue a campaign.
(b)
To maintain one's ground against all comers.
To lay against the field or To back against the field, to bet on (a horse, etc.) against all comers.
To take the field (Mil.), to enter upon a campaign.



magnetic field  n.  (Physics) The space around a magnet through which it exerts magnetic force; a field of force surrounding a permanent magnet, electrical current, or a moving charged particle; called also magnetic flux and field of magnetic force.






Collaborative International Dictionary of English 0.48








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"Magnetic field" Quotes from Famous Books



... Already 10 municipal areas along the Mason-Dixon line are preparing to experiment with electric power derived from this source.[34] It has been estimated that "as much as 1 million watts could be generated by shooting a stream of plasma at speeds three times that of sound through a magnetic field only 3 feet long and with the magnetic poles 6 ...
— The Practical Values of Space Exploration • Committee on Science and Astronautics

... Thorn. "As simply as I can put it, my process for rendering an object invisible is this: I place the object, coated with the film, on this plate. Then I start in motion the overhead ring, creating an immensely powerful, rapidly rotating magnetic field. The rotating field rearranges the atoms of this peculiarly susceptible film of mine so that they will transmit light rays with the least possible resistance. It combs the atoms into straight lines, you might say. With that ...
— The Radiant Shell • Paul Ernst

... sat I could make out the black form of Hans through the ceiling grid, at his pilot controls in the overhead cubby. A queer glow like an aura was around him. The same green radiance suffused the control room. It could not penetrate the opened windows of the ship; could not pass beyond the electro-magnetic field enveloping us. Nor could the curious hum which permeated the ship's interior get past the barrage barrier. From outside, I knew, we were invisible ...
— Astounding Stories of Super-Science, November, 1930 • Various

... operation called magnetisation, could, some of them, be opened out into loops of finite area and spread out into space, where they are called "lines of force." They then constitute the region called a magnetic field, which remains a seat of so-called "permanent" magnetic activity, until by lapse of time, excessive heat, or other circumstance, they close up again; and so the magnet, as a magnet, dies. The magnetism ...
— Life and Matter - A Criticism of Professor Haeckel's 'Riddle of the Universe' • Oliver Lodge

... to show by photographic evidence that the magnetic field developed by the passage of an electric current across the spark gap gives the first light emitted a different appearance from that emitted a few ...
— Astounding Stories, July, 1931 • Various

... do not understand. I am not speaking of an agricultural field. Do you not know that every mass of matter in motion carries with it an invisible gravitational field, every magnet an invisible magnetic field, and every living organism a mesmeric field? Even you have a perceptible mesmeric field. Feeble as it is, it is the strongest I have yet observed in ...
— Back to Methuselah • George Bernard Shaw

... that Mike the Angel carried did more than just detect the nearby operation of a vibroblade. It was also a defense. The gadget focused a high-density magnetic field on any vibroblade that came anywhere within ...
— Unwise Child • Gordon Randall Garrett



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