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soft coal
soft coal
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Word History and Origins
Origin of soft coal1
First recorded in 1780–90
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Example Sentences
Is there any town nuisance, such as soft coal smoke or malodorous factories?
From Project Gutenberg
This is about the same as the density of gravel or soft coal, and is just about one quarter of the average density of the earth.
From Project Gutenberg
In this summer season the pits never turned full time, particularly the soft coal.
From Project Gutenberg
They forgot that their lungs were full of soft coal dirt, that their hands were grimy, and their faces, too.
From Project Gutenberg
Bituminous or soft coal is used in the manufacture of illuminating gas, as anthracite contains less of the needed materials.
From Project Gutenberg
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