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pit coal | |||
coal | |||
hard coal | |||
black coal; coal The natural, rocklike, brown to black derivative of forest-type plant material, usually accumulated in peat beds and progressively compressed and indurated until it is finally altered in to graphite-like material; black coal A natural black graphitelike material used as a fuel, formed from fossilized plants and consisting of amorphous carbon with various organic and some inorganic compounds | |||
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hard coal; pit coal |
steenkool : 51 phrases in 11 subjects |
Chemistry | 11 |
Coal | 13 |
Economy | 1 |
Electronics | 1 |
Energy industry | 11 |
Environment | 2 |
Finances | 1 |
General | 3 |
Industry | 4 |
Metallurgy | 1 |
Statistics | 3 |