mag·net·ite (m g n -t t ). n. The mineral form of black iron oxide, Fe3O4, that often occurs with magnesium, zinc, and manganese and is an important ore of iron.
http://www.thefreedictionary.com/magnetite
Magnetite is a mineral, one of the two common naturally occurring iron oxides .... of an external magnetic field (which by definition show a coercivity of 0 A/m).
http://www.thefreedictionary.com/magnetite
noun. a very common black iron oxide mineral, Fe 3 O 4 , that is strongly attracted by magnets: an important iron ore. Origin: 1850?55; magnet + -ite1; compare ...
http://www.merriam-webster.com/dictionary/magnetite
magnétite définition, synonymes, conjugaison, voir aussi 'ilménite-magnétite', manette',magnétique',magnétiser', expression, exemple, usage, synonyme, ...
http://www.merriam-webster.com/dictionary/magnetite
Example Sentences Including 'magnetite'. Appropriately enough, the commonest of these, a simple iron oxide, is called magnetite. Richard Fortey THE EARTH: ...
http://www.futura-sciences.com/magazines/terre/infos/dico/d/geologie-magnetite-11930/
14 déc. 2011 ... Définition MAGNETITE. La magnétite est un oxyde de fer présent principalement dans les roches magmatiques basiques et métamorphiques.
http://www.futura-sciences.com/magazines/terre/infos/dico/d/geologie-magnetite-11930/