| NOUN | substance | ferric oxide | a red oxide of iron |
|---|
| Meaning | A red oxide of iron. | |
|---|---|---|
| Narrower | rust | A red or brown oxide coating on iron or steel caused by the action of oxygen and moisture |
| Broader | oxide | Any compound of oxygen with another element or a radical |
| Substance of | hemosiderin, haemosiderin | A granular brown substance composed of ferric oxide |
| rust, rusting | The formation of reddish-brown ferric oxides on iron by low-temperature oxidation in the presence of water | |
| Spanish | óxido férrico | |
| Catalan | òxid fèrric | |
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