WordReference Random House Unabridged Dictionary of American English © 2026
min′eral char′coal, 
  1. Mineralogy, Mininga fibrous substance resembling charcoal and having a high carbon content, often occurring in thin layers in bituminous coal. Also called mother of coal. 
  • 1795–1805

'mineral charcoal' also found in these entries (note: many are not synonyms or translations):
mother of coal

Forum discussions with the word(s) "mineral charcoal" in the title:


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