from The Century Dictionary.
- noun Same as
from the GNU version of the Collaborative International Dictionary of English.
- noun (Min.) A hydrous oxide of iron (HFeO2), occurring in prismatic crystals, also massive, with a fibrous, reniform, or stalactitic structure. The color varies from yellowish to blackish brown.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a red or yellow or brown mineral; an oxide of iron that is a common constituent of rust
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