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| carbon | |||
| carbon A nonmetallic element existing in the three crystalline forms: graphite, diamond and buckminsterfullerene: occurring in carbon dioxide, coal, oil and all organic compounds | |||
| anglis: 20 phrases in 5 subjects |
| Environment | 9 |
| Life sciences | 4 |
| Medical | 1 |
| Natural sciences | 2 |
| Obsolete / dated | 4 |