paramagnetismn.
/ˌparəˈmaɡnᵻtɪz(ə)m/, U.S. /ˌpɛrəˈmæɡnəˌtɪz(ə)m/ Physics.
The property of being paramagnetic; the phenomena exhibited by paramagnetic bodies. Cf. diamagnetism n.Originally synonymous with ferromagnetism, as the terms paramagnetic and ferromagnetic were synonymous.
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the world > matter > physics > quantum theory > electron spin > magnetism attributed to electron spin > [noun]
paramagnetism1845
diamagnetism1850
ferromagnetism1930
ferrimagnetism1948
speromagnetism1973
the world > matter > physics > electromagnetic radiation > magnetism > types of magnetism > [noun] > paramagnetism
paramagnetism1845
the world > matter > physics > electromagnetic radiation > magnetism > types of magnetism > [noun] > ferromagnetism > equated with paramagnetism
paramagnetism1845
ferromagnetism1851
1845 W. Whewell Let. c10 Dec. in M. Faraday Corr. (1996) III. 442 I think you may keep diamagnetic for this class, and give to the opposite class a name implying that they rank along with magnetic bodies. I propose paramagnetic... Then this new branch of science, for so, of course, it will soon become, will be Paramagnetism.
1851 W. Gregory Lett. Animal Magn. p. xv He does indeed propose to include, under the general term Magnetism, two forms of it: viz. Para-magnetism..and Dia-magnetism.
1877 J. Le Conte Elements Geol. (1879) 186 If the bar be slender, it..shows its paramagnetism by assuming the axial position.
1930 E. C. Stoner Magnetism iv. 74 Ferromagnetism is to be attributed to the spin moments of the electrons in the atoms and ions, and not to the spin moments of free electrons, which normally should give rise only to a small paramagnetism.
1958 N. Cusack Electr. & Magn. Prop. Solids xiii. 291 All matter possesses a basic diamagnetism but where there are carriers, e.g. free electrons in metals,..the orientation of the carriers in the field direction gives a paramagnetism which usually masks the diamagnetism.
1996 Science 26 Jan. 489/1 A new class of magnetic behaviour, random quantum spin chain paramagnetism, has been observed.
This entry has been updated (OED Third Edition, June 2005; most recently modified version published online March 2022).
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