nounπShareA black rock formed from prehistoric plant remains, composed largely of carbon and burned as a fuel."Put some coal on the fire."materialsubstancefuelgeologyenergyindustryenvironmentChat with AIVocabulary GamePractice Reading
nounπShareA piece of coal used for burning (this use is less common in American English)"Put some coals on the fire."materialfuelsubstanceChat with AIVocabulary GamePractice Reading
nounπShareA type of coal, such as bituminous, anthracite, or lignite, and grades and varieties thereof."The power plant uses various types of coals, including bituminous and anthracite, to generate electricity. "materialfuelgeologysubstanceenergyChat with AIVocabulary GamePractice Reading
nounπShareA glowing or charred piece of coal, wood, or other solid fuel."Just as the camp-fire died down to just coals, with no flames to burn the marshmallows, someone dumped a whole load of wood on, so I gave up and went to bed."materialfuelenergyChat with AIVocabulary GamePractice Reading
nounπShareCharcoal."The artist used fine coals to create a dark, smoky drawing. "materialsubstancefuelChat with AIVocabulary GamePractice Reading
verbπShareTo take on a supply of coal (usually of steam ships)."The steamship coaled at the port before continuing its journey across the Atlantic. "nauticalfuelsailingenergyChat with AIVocabulary GamePractice Reading
verbπShareTo supply with coal."to coal a steamer"fuelindustrymaterialenergyChat with AIVocabulary GamePractice Reading
verbπShareTo be converted to charcoal."The wood slowly coales to create charcoal for the barbecue. "fuelmaterialchemistryprocessChat with AIVocabulary GamePractice Reading
verbπShareTo burn to charcoal; to char."The campfire embers slowly coaled, turning the wood to black, brittle charcoal. "fuelmaterialenergysubstanceChat with AIVocabulary GamePractice Reading
verbπShareTo mark or delineate with charcoal."The artist used charcoal to coals the outline of the bird on the paper. "markmaterialChat with AIVocabulary GamePractice Reading
