soft coal

noun

soft coal

First recorded in 1780–90

Is there any town nuisance, such as soft coal smoke or malodorous factories?

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.

In this summer season the pits never turned full time, particularly the soft coal.

They forgot that their lungs were full of soft coal dirt, that their hands were grimy, and their faces, too.

Bituminous or soft coal is used in the manufacture of illuminating gas, as anthracite contains less of the needed materials.

Browse