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English definition of “coal”

coal

noun [C or U]     /kəʊl/ US  /koʊl/
C1 a hard, black substance that is dug from the earth in pieces , and can be burned to produce heat or power , or a single piece of this: How much coal was mined here? a burning / red hot coalMining and quarryingFuelsPetroleum products especially when used as fuel
(Definition of coal noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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