| |||
loadstone | |||
ferriferrous oxide; ferroferric oxide; magnetic oxide | |||
magnetic iron oxide (Fe3O4); magnetic oxide iron | |||
magnetic iron oxide (四氧化三铁) | |||
magnetic iron oxide; martial ethiops | |||
| |||
magnetite |
磁性氧化铁: 8 phrases in 6 subjects |
Chemistry | 1 |
Electronics | 2 |
Metallurgy | 1 |
Oil / petroleum | 1 |
Pharmacology | 2 |
Technology | 1 |