Corrosion on iron. Red oxide deposits on the surface of the metal.

铁的腐蚀。红色氧化物沉积在金属表面。

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Also has engaged in regular drinking of red oxide and slimming, whitening, beauty effect.

红常饮用还具有搞氧化和纤体、美白、养颜的效果。

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Iron oxide pigment is a color pigment whose basic substance is the oxide of iron, such as red oxide, yellow iron oxide, black iron oxide, and brown oxide.

氧化铁颜料主要指基本物质为铁的氧化物的着色颜料，如氧化铁红、铁黑、铁黄、铁棕等。

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The red color is the result of iron oxide or rust.

VOA: special.2009.04.15

They created a material that excluded light with a wavelength of one millimetre (the long end of the infra-red spectrum), using an array of aluminium-oxide posts that were spaced evenly across a grid.

ECONOMIST: New-age crystals

"Typically the concentrations are small in red mud and what is present is tightly bound to the particles of iron oxide, " he says.

BBC: How toxic is Hungary's red sludge?