| 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) |
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| magnetite | an oxide of iron that is strongly attracted by magnets |
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