Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun Any of various oxides of iron, such as ferric oxide or ferrous oxide.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Chem.) Any of the oxides of iron, especially
ferric oxide .
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun chemistry The compound obtained by the reaction of oxygen on
iron . Eitheriron(II) oxide (old termferrous oxide , chemical formula FeO) oriron(III) oxide (old termferric oxide , chemical formula Fe2O3). Generally known asrust when hydrated.
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