"iron oxide." YourDictionary, n.d. Web. 11 October 2018. <http://www.yourdictionary.com/iron-oxide>.
iron oxide. (n.d.). Retrieved October 11th, 2018, from http://www.yourdictionary.com/iron-oxide
(plural iron oxides)
(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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