| 单词 | magnetic force |
| 释义 | magnetic force (once / 19313 pages) n WORD FAMILY magnetic force: magnetic forces USAGE EXAMPLESThat explains the magnetic force that pushes the debate toward reform, even as Mr. Trump’s combustible rhetoric inflames the GOP base against it. Washington Post(Aug 22, 2016) The concept of using magnetic forces in what is known as a maglev train had been around for half a century. New York Times(Aug 11, 2016) JAPAN’S fastest trains run above the tracks, not along them, suspended in the air by magnetic forces. Economist(Aug 04, 2016) n attraction for iron; associated with electric currents as well as magnets; characterized by fields of force Syn|Hypo|Hyper magnetic attraction, magnetism electromagnetism magnetism produced by an electric current antiferromagnetismmagnetic field creates parallel but opposing spins; varies with temperature diamagnetismphenomenon exhibited by materials like copper or bismuth that become magnetized in a magnetic field with a polarity opposite to the magnetic force; unlike iron they are slightly repelled by a magnet ferromagnetismphenomenon exhibited by materials like iron (nickel or cobalt) that become magnetized in a magnetic field and retain their magnetism when the field is removed paramagnetismmaterials like aluminum or platinum become magnetized in a magnetic field but it disappears when the field is removed ferrimagnetisma phenomenon in ferrites where there can be incomplete cancellation of antiferromagnetic arranged spins giving a net magnetic moment attraction, attractive force the force by which one object attracts another |
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