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.
A hard, shiny coal that has a high carbon content. It is valued as a fuel because it burns with a clean flame and without smoke or odor, but it is much less abundant than bituminous coal.
Find another word for lignite. In this page you can discover 4 synonyms, antonyms, idiomatic expressions, and related words for lignite, like: bituminous coal, anthracite, brown-coal and wood coal.