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Any technology that may mitigate emissions of carbon dioxide and other greenhouse gasses that arise from the burning of coal for electrical power.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
anthracite (a cleaner burning variety of coal, which is usually hard and bluish, with fewer impurities; making it acceptable for uses needing cleaner coal)
Definition source: English Wiktionary via Wiktextract
Usage: dated, uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: dirty coal, lignite
coke (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)
Definition source: English Wiktionary via Wiktextract
Usage: dated, uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: dirty coal
No etymology was provided for this word.