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WordNet-Online
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Definitions from the WebCoal and CokeNoun: 1. Coal is a solid, black, combustible substance that is formed naturally from the remains of vegetation buried in the Earth's crust over millions of years. It is primarily used as a fuel for power generation and as a raw material in the production of steel. Example sentence: The coal mine employed hundreds of workers to extract and transport the valuable resource. 2. Coke refers to a porous, solid residue obtained after heating coal in the absence of air. It is mainly used as a fuel in industrial processes, particularly in steel production and as a reducing agent in metal smelting. Example sentence: The steel mill utilized coke as an essential ingredient in the production of high-quality steel. Verb: 1. To coal means to supply or fuel with coal. Example sentence: The locomotive was coaled up before commencing its long journey. Adjective: 1. Coal and coke can be used as adjectives describing something related to or associated with coal mining, production, or usage. Example sentence: The coal and coke industry has a significant impact on the local economy. | ||||
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