coal

noun

1. A piece of glowing carbon or charred wood ember
2. Charcoal
3. A black or brownish-black solid combustible substance formed by the partial decomposition of vegetable matter without free access of air and under the influence of moisture and often increased pressure and temperature that is widely used as a natural fuel
4. Pieces or a quantity of the fuel broken up for burning

verb

1. To burn to charcoal char
2. To supply with coal
3. To take in coal

noun

1. The mixture of gases thrown off by burning coal
2. Gas made by carbonizing bituminous coal in retorts and used for heating and lighting

plural noun

1. Beds of coal with the associated rocks

noun

1. Petroleum or a refined oil prepared from it
2. Kerosene

noun

1. A bed of coal usually thick enough to be profitably mined

noun

1. Tar obtained by distillation of bituminous coal and used especially as an industrial fuel, in making dyes, and in the topical treatment of skin disorders

noun

1. A coal that when heated yields considerable volatile bituminous matter

noun

1. Lignite

noun

1. A bituminous coal containing much volatile matter that burns brightly