iron oxide ( synonym found)
Definition of iron oxide:

(n) : (Chemistry) The compound obtained by the reaction of oxygen on iron. Either iron (II) oxide (old term ferrous oxide, chemical formula FeO) or iron (III) oxide (old term ferric oxide, chemical formula Fe2O3). Generally known as rust when hydrated
Definition of iron oxide:

(n) : (Chemistry) The compound obtained by the reaction of oxygen on iron. Either iron (II) oxide (old term ferrous oxide, chemical formula FeO) or iron (III) oxide (old term ferric oxide, chemical formula Fe2O3). Generally known as rust when hydrated
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