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Dictionary

Words, grammatical forms and meanings linked to the ontology.

dirty coal en · NOUN

Etymology

Due to the smell it gives off when burned.

Meanings

  1. (informal, uncountable) lignite
    • Lignite's nickname “dirty coal,” suggests its one major drawback, but its allure is clearly its cost. Lignite is cheaper than most other energy sources. 1978 February 14, “Texas Turning to Its Reserves of Lignite”, in New York Times: