from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A dark, vitreous mineraloid produced by surface oxidation of lignite


Sorry, no etymologies found.


  • "Lignite, also known as leonardite, mined lignin, brown coal, and slack, is an important constituent to the oil well, drilling industry.

    Cannabis Culture Magazine

  • Lignite, or leonardite as it will be referred as hereafter, is technically known as a low rank coal between peat and sub-bituminous.

    Cannabis Culture Magazine


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