from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A dark red compound, Fe2O3, occurring naturally as hematite ore and rust and used in pigments and metal polishes and on magnetic tapes.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The chemical compound Fe2O3, iron oxide where iron has a valence of +3. IUPAC has deprecated this term in favor of iron(III) oxide.

from the GNU version of the Collaborative International Dictionary of English

  • adj. sesquioxide of iron, Fe2O3; hematite. See Hematite.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a red oxide of iron


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