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A type of coal with a high percentage of volatile matter that burns with a smoky yellow flame. Also called soft coal.
(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
a soft coal rich in volatile hydrocarbons and tarry matter and burning with a yellow, smoky flame.
Soft coal. It has a high sulfur content, is cheaper than hard coal, and was normally used for cooking and heating when coal rather than wood was burned.
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|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