noun
iron oxide
Chemical term for compounds of iron and oxygen, such as rust (Fe₂O₃) or magnetite (Fe₃O₄).
鉄が錆びると、表面に酸化鉄ができる。
When iron rusts, iron oxide forms on the surface.
酸化鉄は顔料や研磨剤として使われる。
Iron oxide is used as a pigment and abrasive.
鉄 is the element iron, whereas 酸化鉄 is the oxidized form.
Compound of 酸化 (oxidation) and 鉄 (iron).