magnet

magnet
1. A body that has the property of attracting particles of iron, cobalt, nickel, or any of various metallic alloys and that when freely suspended tends to assume a definite direction between the magnetic poles of the earth (magnetic polarity). 2. A bar or horseshoe-shaped piece of iron or steel that has been made magnetic by contact with another m. or, as in an electromagnet, by passage of electric current around a metallic (iron) core. 3. An electromagnet built in a cylindrical configuration to accommodate a patient in its core, for magnetic resonance imaging. [G. magnes]
- superconducting m. a m. whose coils are cooled, usually with liquid helium, to a temperature at which the metal becomes superconducting, effectively removing all electrical resistance.

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mag·net 'mag-nət n a body having the property of attracting iron and producing a magnetic field external to itself specif a mass of iron, steel, or alloy that has this property artificially imparted

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mag·net (magґnət) [L. magnes; Gr. magnēs magnet] an object made of iron oxide or steel that attracts iron and has polarity.

Medical dictionary. 2011.

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  • Magnet — Mag net (m[a^]g n[e^]t), n. [OE. magnete, OF. magnete, L. magnes, etis, Gr. Magnh^tis li qos a magnet, metal that looked like silver, prop., Magnesian stone, fr. Gr. Magnhsi a, a country in Thessaly. Cf. {Magnesia}, {Manganese}.] 1. The… …   The Collaborative International Dictionary of English

  • magnet — MAGNÉT, magneţi, s.m. Minereu de fier care are proprietatea de a atrage materialele feromagnetice; corp metalic căruia i s a transmis calitatea, permanentă sau temporară, de a atrage obiectele de fier. – Din ngr. maghnítis, germ. Magnet. Trimis… …   Dicționar Român

  • Magnet — Magnet. Es gab vor Alters in Kleinasien zwei Städte, die Magnesia hießen. Die eine lag am Mäander, die andere, auch Heraklea genannt, ward zur Landschaft Lydien gerechnet und nach ihr soll der Magnet seinen Namen erhalten haben. Dieser seltsame… …   Damen Conversations Lexikon

  • magnet — [ maɲɛt ] n. m. • 1993; mot angl. « aimant » ♦ Anglic. Petit objet décoratif monté sur aimant. Des magnets. (Recomm. offic. aimantin.) ● magnet nom masculin (anglais magnet, aimant) Petit objet décoratif aimanté que l on applique sur un support… …   Encyclopédie Universelle

  • Magnet — Sm std. (13. Jh.), mhd. magnes, fnhd. magnet[e] Onomastische Bildung. Ist entlehnt aus l. magnēs ( ētis) und Magnēs lapis, dieses aus gr. Mágnēs (líthos), eigentlich Stein aus Magnēsíā , nach dem natürlichen Vorkommen in der thessalischen… …   Etymologisches Wörterbuch der deutschen sprache

  • magnet — (n.) mid 15c. (earlier magnes, late 14c.), from O.Fr. magnete magnetite, magnet, lodestone, and directly from L. magnetum (nom. magnes) lodestone, from Gk. ho Magnes lithos the Magnesian stone, from Magnesia, region in Thessaly where magnetized… …   Etymology dictionary

  • Magnet — Magnet, NE U.S. village in Nebraska Population (2000): 79 Housing Units (2000): 39 Land area (2000): 0.144242 sq. miles (0.373585 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.144242 sq. miles (0.373585 sq.… …   StarDict's U.S. Gazetteer Places

  • Magnet, NE — U.S. village in Nebraska Population (2000): 79 Housing Units (2000): 39 Land area (2000): 0.144242 sq. miles (0.373585 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.144242 sq. miles (0.373585 sq. km) FIPS… …   StarDict's U.S. Gazetteer Places

  • magnet — màgnēt m <G magnéta> DEFINICIJA 1. fiz. tijelo koje, oko sebe stvara magnetsko polje, privlači željezo ili čelik, a odbija dijamagnetike, ima S i J pol 2. pren. onaj koji privlači pozornost [bila je magnet za novinare] FRAZEOLOGIJA imati… …   Hrvatski jezični portal

  • magnet- — magneto DEFINICIJA kao prvi dio riječi znači da se što odnosi na magnet [magnetsko; magnetično] ETIMOLOGIJA lat. magneticus: magnetski ≃ grč., v. magnet …   Hrvatski jezični portal

  • magnét- — ⇒MAGNÉT(O) , (MAGNÉT , MAGNÉTO )élém. de compos. Élém. représentant l adj. magnétique ou le subst. magnétisme. I. Élém. entrant dans la constr. de termes sav. ou techn. A. [Le 2e élém. est un adj. ou un subst. caractérisant l objet ou le… …   Encyclopédie Universelle

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