| 单词 | magnetic north |
| 释义 | magnet /magˈnit/noun
ORIGIN: Through OFr or L, from Gr magnētis (lithos) Magnesian (stone), from Magnēsiā, in Lydia or Thessaly magˈnetar noun (for ‘magnetic star’; cf pulsar under pulsate) a dense neutron star with a magnetic field 1014 times stronger than that of the earth magnetic /mag-netˈik/ or magnetˈical adjective
magnetˈically adverb magnetician /-ishˈən/ noun A magnetist magnetˈics singular noun The science of magnetism magˈnetism noun
magˈnetist noun A scientist specializing in magnetism magˈnetite noun Magnetic iron ore (Fe3O4), called lodestone when polar magnetīzˈable or magnetīsˈable adjective magnetīzāˈtion or magnetīsāˈtion noun magˈnetize or magˈnetise transitive verb
magˈnetīzer or magˈnetīser noun magneto /mag-nēˈtō/ noun (pl magnēˈtos) Short form of magneto-electric machine, a small generator with a permanent magnet, used for ignition in an internal-combustion engine, etc magˈneton noun A natural unit of magnetic moment magˈnetron noun A two-electrode valve in which the flow of electrons from a large central cathode to a cylindrical anode is controlled by crossed electric and magnetic fields, used to give high-powered microwave radiation magnon /magˈnon/ noun A quantum of spin wave energy in magnetic material magnet (high) school noun In the USA, a school that, in addition to providing a general education, specializes in teaching a particular subject such as science, languages or performing arts magnetic battery noun Several magnets placed with their like poles together, so as to act with great force magnetic board noun A white enamelled metal board upon which material for display is mounted by means of magnetic strips magnetic bottle noun The containment of a plasma during thermonuclear experiments by applying a specific pattern of magnetic fields magnetic bubble memory or magnetic bubble store noun (computing) Same as bubble memory (see under bubble) magnetic card noun A piece of plastic or cardboard with a magnetizable surface on which data can be stored magnetic chuck noun A chuck having a surface in which alternate steel elements, separated by insulating material, are polarized by electromagnets, allowing light flat work to be held securely magnetic confinement noun (nuclear eng) In fusion research, the use of shaped magnetic fields to confine a plasma magnetic curves plural noun The curves formed by iron-filings around the poles of a magnet magnetic dip or magnetic inclination noun The angle between the horizontal and the line of the earth's magnetic field magnetic disk or magnetic disc noun (computing) A flat, circular sheet of material coated with a magnetic oxide, used to store programs and data magnetic diskette noun (computing) Same as floppy disk (see under flop1) magnetic drum noun A storage device used in early computers, consisting of a rotating cylinder with a magnetic coating magnetic equator noun The line round the earth where the magnetic needle remains horizontal magnetic field noun The space over which magnetic force is felt magnetic fluid noun A hypothetical fluid formerly assumed to explain the phenomena of magnetism magnetic flux noun The surface integral of the product of the permeability of the medium and the magnetic field intensity perpendicular to the surface magnetic flux density noun The product of the field intensity and the permeability of the medium magnetic forming noun Use of magnetic fields to shape metal magnetic induction noun
magnetic ink noun Ink with magnetic quality, used eg in printing cheques that are to be sorted by machine magnetic ink character recognition noun The reading by a computer of numbers printed in magnetic ink (abbrev MICR) magnetic lens noun The counterpart of an optical lens, in which a magnet or system of magnets is used to produce a field which acts on a beam of electrons in a similar way to a glass lens on light rays magnetic levitation noun Suspension of eg a train above a track by means of a magnetic field magnetic media noun A collective term for all forms of magnetic recording media, such as magnetic disks, tape, etc magnetic meridian noun The vertical plane through the magnetic needle magnetic mine noun A mine sunk to the sea-bottom, detonated by a pivoted magnetic needle when a ship approaches magnetic mirror noun (nuclear eng) A device based on the principle, used in mirror machines, that ions moving in a magnetic field towards a region of considerably higher magnetic field strength are reflected magnetic moment noun A measure of the magnetic strength of a permanent magnet, a current-carrying coil, a moving charge or individual atom in a magnetic field magnetic monopole see monopole magnetic needle noun The light bar in the mariner's compass which, because it is magnetized, always points to the north magnetic north noun The direction indicated by the magnetic needle magnetic poles plural noun Two nearly opposite points on the earth's surface, where the dip of the needle is 90º magnetic resonance imaging noun A medical imaging technique using the magnetic resonances of protons in the body tissue (abbrev MRI) magnetic storm noun A disturbance in the magnetism of the earth magnetic stripe noun (also magˈ-stripe) a horizontal stripe on the back of a credit card, etc, which is read electronically to identify the card magnetic tape noun Flexible plastic tape, coated on one side with magnetic material, used to register for later reproduction television images, or sound, or computer data magnetic therapy noun A therapeutic treatment using the properties of magnetic fields, eg to increase the permeability of cell walls and to accelerate the healing of fractures magnetic variation noun The angular difference between true north and magnetic north at a particular location animal magnetism
artificial magnet A magnet made by rubbing with other magnets bar magnet A magnet in the form of a bar horse-shoe magnet A magnet bent like a horseshoe permanent magnet A magnet that keeps its magnetism after the force which magnetized it has been removed personal magnetism The power of a personality to make itself felt and to exercise influence terrestrial magnetism The magnetic properties possessed by the earth as a whole north /nörth/noun
To turn or move north ORIGIN: OE norther /nörthˈər/ noun A north wind or gale, esp applied to a cold wind that blows in winter over Texas and the Gulf of Mexico intransitive verb /nördhˈər/To move or veer towards the north northˈerliness /-dh-/ noun northˈerly /-dh-/ adjective
A north wind northermost see northernmost below northˈern /-dh-/ adjective
A northerner northˈerner /-dh-/ noun (sometimes with cap) a native or inhabitant of the north, esp of the northern USA or the northern counties of England northˈernism /-dh-/ noun A form of expression or a characteristic peculiar to the north northˈernize or northˈernise /-dh-/ transitive verb To give a northern character to northˈernmost /-dh-/ or northˈmost /-th-/, also (obsolete) northˈermost /-dh-/ adjective Situated furthest north northˈing /-th-/ noun
northward, nor'ward or norward /nörthˈwərd, nörˈwərd or norˈəd/ adverb Towards the north (also adjective and noun) northˈwardly adverb and adjective northˈwards adverb Northward northˈabout adverb Towards the north North Atlantic Drift noun The Gulf Stream northˈbound adjective Travelling in a northward direction northˈ-by-eastˈ noun The direction midway between north and north-north-east northˈ-by-westˈ noun The direction midway between north and north-north-west northˈ-country adjective Belonging to the northern part of the country, esp of England north-counˈtryman noun north-eastˈ or (archaic or poetic) nor'-eastˈ (also /nörthˈ or nörˈ/) noun
adjective and adverb
north-eastˈ-by-eastˈ noun The direction midway between north-east and east-north-east north-eastˈ-by-northˈ noun The direction midway between north-east and north-north-east north-eastˈer or nor'-eastˈer noun A strong wind from the north-east north-eastˈerly adjective
adverb
noun A north-east wind north-eastˈern adjective
north-eastˈward adverb Towards the north-east (also adjective and noun) north-eastˈwardly adverb and adjective north-eastˈwards adverb North-eastward northern fern noun The hard fern (genus Lomaria) northern hemisphere noun (also with caps) the hemisphere of the world which is north of the equator northern lights plural noun The aurora borealis North Germanic see under German northˈland noun The north (also adjective) northˈlander noun Northˈman noun An ancient Scandinavian northˈ-north-eastˈ noun The direction midway between north and north-east (also adjective and adverb) northˈ-north-westˈ noun The direction midway between north and north-west (also adjective and adverb) north polar adjective north pole noun
North Sea gas and North Sea oil noun Natural gas and oil obtained from deposits below the North Sea northˈ-seeking adjective Turning towards the earth's magnetic north pole North Star noun A star very near the north pole of the heavens, the Pole Star north water noun The space of open sea left by the winter pack of ice moving southward north-westˈ or (archaic or poetic) nor'-westˈ (also /nörthˈ or nörˈ/) noun
adjective and adverb
north-westˈ-by-northˈ noun The direction midway between north-west and north-north-west north-westˈ-by-westˈ noun The direction midway between north-west and west-north-west north-westˈer or nor'-westˈer noun A strong wind from the north-west (see also nor'wester below) north-westˈerly adjective
adverb
noun A north-west wind northˈ-westˈern adjective
north-westˈward adverb Towards the north-west (also adjective and noun) north-westˈwardly adverb and adjective north-westˈwards adverb North-westward nor'westˈer noun
North Atlantic Treaty Organization A political alliance linking the United States and Canada to a group of European States, established by the North Atlantic Treaty, 4 April 1949 (abbrev NATO or Nato) the North-east Passage A passage for ships along the north coasts of Europe and Asia to the Pacific, first made by Baron Nordenskjöld in 1878–9 the North-west Passage A seaway from the Atlantic into the Pacific north of N America, first made (partly on the ice) by Sir Robert McClure, 1850–4 |
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