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https://www.merriam-webster.com/dictionary/coal

Coal definition is - a piece of glowing carbon or charred wood : ember. How to use coal in a sentence.

https://en.wikipedia.org/wiki/Coal

Coal is a combustible black or brownish-black sedimentary rock, formed as rock strata called ... Broadly defined total subsidies for coal in 2015 have been estimated at around US$2.5 trillion, about 3% of global GDP. As of 2019 G20 countries ...

https://www.dictionary.com/browse/coal

Coal definition, a black or dark-brown combustible mineral substance consisting of carbonized vegetable matter, used as a fuel. See more.

https://www.britannica.com/science/coal-fossil-fuel

Jan 17, 2020 ... Coal is defined as having more than 50 percent by weight (or 70 percent by volume) carbonaceous matter produced by the compaction and ...

https://www.eia.gov/energyexplained/coal/

Energy Information Administration - EIA - Official Energy Statistics from the U.S. Government.

https://www.vocabulary.com/dictionary/coal

Coal is a mineral, a black rock that can be extracted from the earth and burned for fuel. Most of the electricity that's produced in the world is powered by the ...

https://www.yourdictionary.com/coal

coal definition: The definition of coal is a dark brown to black carbon-rich rock that is mined from mountains or below ground and is burned as fuel. Facts About ...

https://www.studentenergy.org/topics/coal

Coal. Definition. Coal is a black or dark brown combustible rock made primarily of carbon. It was formed millions of years ago when ferns, plants and trees died ...

https://www.collinsdictionary.com/us/dictionary/english/coal

Coal definition: Coal is a hard black substance that is extracted from the ground and burned as fuel. | Meaning, pronunciation, translations and examples.

https://dictionary.cambridge.org/us/dictionary/english/coal

Feb 12, 2020 ... coal meaning: 1. a hard, black substance that is dug from the earth in pieces, and can be burned to produce heat…. Learn more.