| bituminous coal n. A type of coal with a high percentage of volatile matter that burns with a smoky yellow flame. Also called soft coal. |
bituminous coal
n
(Earth Sciences / Geological Science) a soft black coal, rich in volatile hydrocarbons, that burns with a smoky yellow flame. Fixed carbon content: 46-86 per cent; calorific value: 1.93 ✕ 107 - 3.63 ✕ 107 J/kg Also called soft coal
bituminous coal (b -t  m -ns) A soft type of coal that burns with a smoky, yellow flame. Bituminous coal is the most abundant form of coal. It has a high sulfur content, and when burned, gives off sulfurous compounds that contribute to air pollution and acid rain. Compare anthracitelignite |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. | bituminous coal - rich in tarry hydrocarbons; burns readily with a smoky yellow flame cannel coal - a bituminous coal that burns with a luminous flame coal - fossil fuel consisting of carbonized vegetable matter deposited in the Carboniferous period sea coal - pulverized bituminous coal; used as a foundry facing |
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