Magnetite

ahd-5
  • noun. The mineral form of black iron oxide, Fe3O4, that often occurs with magnesium, zinc, and manganese and is an important ore of iron.
    • The Century Dictionary and Cyclopedia
  • noun. Magnetic oxid of iron; a black oxid of iron (Fe3O4 or FeO.Fe2O3) which is strongly attractable by a magnet.
    • the GNU version of the Collaborative International Dictionary of English
  • noun. 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.
    • Wiktionary, Creative Commons Attribution/Share-Alike License
  • noun. A magnetic mineral, Fe3O4, one of the primary ores of iron. It has also been called lodestone.
    • WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
  • noun. an oxide of iron that is strongly attracted by magnets
    • Word Usage
    "These mineral crystals were identified as magnetite, pyrrhotite, and greigite."
    Hypernym
    Words that are more generic or abstract
    iron ore  
    Hyponym
    Words that are more specific
    loadstone  
    Same Context
    Words that are found in similar contexts
    acicular  anthracite  apatite  chroniton  coal-field  
    variant
    magnetic iron  
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