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| English | Slovak |
| 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 | čierne uhlie |
| clean coal | ekologické uhlie |
| clean coal | ekologicky využívané uhlie |
| coal-based energy Power generated by the steam raised by burning coal in fire-tube or water-tube boilers | energia zo spaľovania uhlia |
| coal-fired power plant Power plant which is fuelled by coal | uhoľná tepelná elektráreň |
| coal gasification Process of conversion of coal to a gaseous product which is used as fuel in electric power stations | splyňovanie uhlia |
| coal industry Industry related with the technical and mechanical activity of removing coal from the earth and preparing it for market | uhoľný priemysel |
| coal liquefaction The process of preparing a liquid mixture of hydrocarbons by destructive distillation of coal | skvapalňovanie uhlia |
| coal mining The technical and mechanical job of removing coal from the earth and preparing it for market | ťažba uhlia |
| coal refining The processing of coal to remove impurities | úprava uhlia |
| coal technology The processing of coal to make gaseous and liquid fuels | uhoľná technológia |