Look up: magnetite

1. magnetite
   [n] - an oxide of iron that is strongly attracted by magnets
   Found on http://www.webdictionary.co.uk/definitio
   
   
2. Magnetite
   Mag'net·ite noun (Min.) An oxide of iron (Fe ₃ O ₄ ) occurring in isometric crystals, also massive, of a black color and metallic luster. It is readily attracted by a magnet and sometimes possesses polarity, being then called <...
   Found on http://www.encyclo.co.uk/webster/M/6
   
   
3. magnetite
   <chemical> An oxide of iron (Fe3O4) occurring in isometric crystals, also massive, of a black colour and metallic luster. It is readily attracted by a magnet and sometimes possesses polarity, being then called loadstone. It is an important iron ore. ... Synonym: magnetic iron. ... Source: Websters Dictionary ... (01 Mar 1998) ...
   Found on http://www.mondofacto.com/facts/dictiona
   
   
4. magnetite
   magnetic iron-ore noun an oxide of iron that is strongly attracted by magnets
   Found on http://wordnetweb.princeton.edu/perl/web
   
   
5. Magnetite
   • (n.) An oxide of iron (Fe3O4) occurring in isometric crystals, also massive, of a black color and metallic luster. It is readily attracted by a magnet and sometimes possesses polarity, being then called loadstone. It is an important iron ore. Called also magnetic iron.
   Found on http://thinkexist.com/dictionary/meaning
   
   
6. magnetite
   iron oxide mineral (FeFe2O4, or Fe3O4) that is the chief member of one of the series of the spinel (q.v.) group. Minerals in this series form black ... [15 related articles]
   Found on http://www.britannica.com/eb/a-z/m/11
   
   
7. Magnetite
   An aggregate used in heavy weight concrete, consisting primarily of ferrous metaferrite (Fe304). A black magnetic iron ore with a specific gravity of approximately 5.2 and a Mohs hardness of about 6.
   Found on http://www.moxie-intl.com/glossary.htm
   
   
8. Magnetite
   Iron oxide ( Fe₃O₄). A protective coating the forms on iron pipe to prevent further rapid corrosion. Usually black or maroon in color. Can be very destructive to mechanical seal components until the oxide stabalizes. We often find these iron pipes in new hot water systems
   Found on http://www.mcnallyinstitute.com/Charts/G
   
   
9. magnetite
   magnetite (măg'nutīt) , lustrous black, magnetic mineral, Fe3O4. It occurs in crystals of the cubic system, in masses, and as a loose sand. It is one of the important ores of iron (magnetic iron ore) and is a common constituent of igneous and metamorphic rocks. It is found in Norway,...
   Found on http://www.infoplease.com/ce6/sci/A08311
   
   
10. Magnetite
    Magnetite is an oxide of iron occurring in isometric crystals, also massive, of a black colour and metallic lustre. It is readily attracted by a magnet and sometimes possesses polarity, being then called loadstone. It is an important iron ore and is also called magnetic iron. Magnetite has the formulae Fe3O4 and a relative hardness of 7.
    Found on http://www.probertencyclopaedia.com/brow
    
    
11. magnetite
    Black, strongly magnetic opaque mineral, Fe₃O₄, of the spinel group, an important ore of iron. Widely distributed, magnetite is found in nearly all igneous and metamorphic rocks. Some deposits, called lodestone, are permanently magnetized. Lodestone has been used as a compass since the first millennium ...
    Found on http://www.talktalk.co.uk/reference/ency
    
    
12. magnetite
    A black, cubic, strongly magnetic, opaque mineral, Fe3O4.
    Found on http://www.lpi.usra.edu/publications/sli
    
    
13. Magnetite
    A common Iron-containing mineral with ferromagnetic properties.
    Found on http://www.otherpower.com/glossary.html
    
    
14. Magnetite
    A major form of iron ore. See also Haematite and Limonite.
    Found on http://www.metalbulletin.com/Glossary.ht
    
    
15. Magnetite
    `Magnetite` is a ferrimagnetic mineral with chemical formula Fe₃O₄, one of several iron oxides and a member of the spinel group. The chemical IUPAC name is iron(II,III) oxide and the common chemical name is `ferrous-ferric oxide`. The formula for magnetite may also ...
    Found on http://en.wikipedia.org/wiki/Magnetite