ferromagnetn.
/ˈfɛrə(ʊ)ˌmaɡnᵻt/, U.S. /ˈfɛroʊˌmæɡnət/, /ˈfɛrəˌmæɡnət/ Physics.
A ferromagnetic object or substance.For the development of the distinction between ferromagnetic and paramagnetic substances, see ferromagnetic adj. 2 and the note there. Cf. paramagnet n.
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the world > matter > physics > electromagnetic radiation > magnetism > types of magnetism > [noun] > ferromagnetism > body or substance
ferromagnetic1850
ferromagnet1887
ferrospinel1950
1887 W. A. Anthony & C. F. Brackett Elem. Text-bk. Physics (ed. 3) Index 514 Ferromagnet. See Paramagnet.
1910 Hawkins' Electr. Dict. 164/2 Ferro-magnet, a term sometimes applied to a substance which, like iron, is attracted to a magnet; a substance having paramagnetic properties.
1926 Brit. Patent 243,390 2/2 A simple form of ferro-magnet and consequently a good possibility of subdivision by the use of bundles of thin wires.
1968 R. A. Levy Princ. Solid State Physics v. 237 Macroscopically a ferromagnet often appears not to have any spontaneous magnetization, because the domain magnetizations are randomly oriented.
1978 H. M. Rosenberg Solid State (ed. 2) xii. 196 The most common ferromagnets are the metals iron, cobalt, and nickel.
2008 Hindustan Times (Nexis) 24 June The researchers found that both spin up and spin down electrons could travel from the semiconductor to the ferromagnet.
This entry has been updated (OED Third Edition, June 2014; most recently modified version published online March 2022).
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n.1887