clean coal

noun

Any technology that may mitigate emissions of carbon dioxide and other greenhouse gasses that arise from the burning of coal for electrical power.

Meanings

nounclean coal (uncountable)
  1. uncountableAny technology that may mitigate emissions of carbon dioxide and other greenhouse gasses that arise from the burning of coal for electrical power.
  2. dateduncountableanthracite (a cleaner burning variety of coal, which is usually hard and bluish, with fewer impurities; making it acceptable for uses needing cleaner coal)

    Antonyms: dirty coal, lignite

  3. dateduncountablecoke (a coked version of coal, that has been cleaned of many of its impurities, making it acceptable for use in steel-making and other uses needing cleaner coal)

    Antonyms: dirty coal

Synonyms & antonyms

nounanthracite (a cleaner burning variety of coal, which is usually hard and bluish, with fewer impurities; making it acceptable for uses needing cleaner coal)

nouncoke (a coked version of coal, that has been cleaned of many of its impurities, making it acceptable for use in steel-making and other uses needing cleaner coal)

Opposite
Cite this entry
APA

clean coal. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/clean%20coal

MLA

“clean coal.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/clean%20coal. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “clean coal,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/clean%20coal.

Source: clean coal on Wiktionary, CC BY-SA 4.0.