coal seam

noun

: a bed of coal usually thick enough to be profitably mined

Examples of coal seam in a Sentence

Recent Examples on the Web Cowboy Clean Fuels, a startup injecting sugar beet waste into coal seams, initially focused on the state because Wyoming has ample coal seams in its Powder River Basin. Katie Fehrenbacher, Axios, 13 Aug. 2024 After knocking down trees, energy firms would literally blast the tops off mountains in search of coal seams, carelessly dumping rubble in nearby streams. Benji Jones, Vox, 18 June 2024 In the decades since, silica dust has become a major problem as Appalachian miners cut through layers of sandstone to reach less accessible coal seams in mountaintop mines where coal closer to the surface has long been tapped. Matthew Daly, Fortune, 17 Apr. 2024 Advocates say advanced drilling technology means younger workers are cutting into more layers of rock containing silica with thinner coal seams in geological formations. Eduardo Cuevas, USA TODAY, 16 Apr. 2024 See all Example Sentences for coal seam 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'coal seam.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1756, in the meaning defined above

Time Traveler
The first known use of coal seam was in 1756

Dictionary Entries Near coal seam

Cite this Entry

“Coal seam.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/coal%20seam. Accessed 15 Oct. 2024.

More from Merriam-Webster on coal seam

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