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| alumina; aluminium oxide | |||
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| alumina; aluminium oxide; aluminum oxide | |||
| alumina A natural or synthetic oxide of aluminum widely distributed in nature, often found as a constituent part of clays, feldspars, micas and other minerals, and as a major component of bauxite | |||
| aluminiumoxid: 12 phrases in 5 subjects |
| Chemistry | 8 |
| Coal | 1 |
| Ecology | 1 |
| Industry | 1 |
| Medical | 1 |