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| refinement | |||
| refining The processing of raw material to remove impurities; extraction (Öl) | |||
| purification | |||
| refining | |||
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Raffination : 21 phrases in 11 subjects |
| Agriculture | 1 |
| Chemistry | 5 |
| Coal | 2 |
| Environment | 1 |
| Fat-and-oil industry | 1 |
| General | 1 |
| Industry | 1 |
| Materials science | 1 |
| Metallurgy | 5 |
| Statistics | 1 |
| Technology | 2 |