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magnetite

 - 2 dictionary results

mag⋅net⋅ite

[mag-ni-tahyt]
–noun
a very common black iron oxide mineral, Fe3O4, that is strongly attracted by magnets: an important iron ore.

Origin:
1850–55; magnet + -ite 1 ; cf. G Magnetit
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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mag·net·ite   (māg'nĭ-tīt')   
n.  The mineral form of black iron oxide, Fe3O4, that often occurs with magnesium, zinc, and manganese and is an important ore of iron.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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