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 10 synonyms, antonyms, idiomatic expressions, and related words for lignite, like: bituminous coal, anthracite, brown-coal, wood coal, iron-ore, barytes, bauxite, gossan, ore and fireclay.