A mine from which coal ore or coal minerals are mined.

(regional) kerosene or any unspecified lower grade derivative of crude petroleum

Any technology that may mitigate emissions of carbon dioxide and other greenhouse gasses that arise from the burning of coal for electrical power.

plural of coal tit

(geology) A kind of coal, historically found near the surface, which split like shale rock and burned with medium smoke, a yellow flame and a sulfur smell.

(dated) water that is being used to generate power

high-quality coal / (nontechnical) coal

plural of coal mine

plural of coal-tar (alternative spelling of coal tars).

plural of coal tar