| 单词 | ferric oxide |
| 释义 | ferric oxide Chem. a dark-red, crystalline, water-insoluble solid, Fe2O3, occurring naturally, as hematite and rust, or synthesized: used chiefly as a pigment, as a mordant, as a coating for magnetic recording tape, and in the manufacture of polishing compounds. Also called iron oxide. [1880-85] |
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