stone coal
noun1
mineral coal, as opposed to charcoal
2
Any hard coal
3
anthracite
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
noun — 3 senses
mineral coal, as opposed to charcoal
Any hard coal
anthracite
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
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