单词 | remagnetize |
释义 | remagnetizev. transitive. To magnetize (a piece of iron, rock, etc.) again. ΘΚΠ the world > matter > physics > electromagnetic radiation > magnetism > magnetize [verb (transitive)] > afresh retouch1635 remagnetize1821 1821 Philos. Trans. (Royal Soc.) 111 108 The needles were re-magnetized to saturation previous to each experiment. 1849 H. M. Noad Lect. Electr. (ed. 3) 439 The weak needle is then remagnetized by passing a small bar magnet a few times along it from end to end. 1873 J. C. Maxwell Treat. Electr. & Magn. (1881) II. 85 If the force..acts in the positive direction it will begin to remagnetize the iron. 1903 Philos. Trans. (Royal Soc.) A. 201 23 They were then remagnetised, boiled for some hours, heated and cooled many times, and the coefficient determined. 1935 C. J. Smith Intermediate Physics (ed. 2) v. l. 858 With pure iron it is found that at temperatures above 900° C. it ceases to be ferromagnetic but that it can be remagnetized when its temperature has fallen below this value. 1968 Science 18 Oct. 355/1 The source of the anomalies is ascribed to large masses of basalt that have been coherently remagnetized by intrusive heating. 2004 E. Scott Yamaha XV535-1100 Virago, 1981–2003 iii. 132 If defective, the flywheel must be replaced; it cannot be re-magnetized. Derivatives remagnetiˈzation n. the act or process of remagnetizing something; an instance of this. ΘΚΠ the world > matter > physics > electromagnetic radiation > magnetism > [noun] > magnetizing > afresh retouching1703 remagnetization1850 1850 A. J. Davis Great Harmonia I. 64 The process of re-magnetization, or of re-vitalization, is perfectly analogous... The spirit acts magnetically upon the organization. 1937 Philos. Sci. 4 84 Gilbert's premise suggested experiments on the de-magnetization and re-magnetization of irons. 1992 Geol. Mag. 129 535/1 The demagnetization data from the quarry indicated a mixing of magnetization components, consistent with the influence of a late Palaeozoic remagnetization. This entry has been updated (OED Third Edition, December 2009; most recently modified version published online March 2022). < |
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