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| petroleum A comparatively volatile liquid bitumen composed principally of hydrocarbon, with traces of sulphur, nitrogen or oxygen compounds; can be removed from the earth in a liquid state | |||
| peitriliam: 17 phrases in 6 subjects |
| Energy industry | 2 |
| Environment | 3 |
| Finances | 3 |
| Oil / petroleum | 6 |
| Politics | 2 |
| Transport | 1 |