shale oil

noun

: a crude dark oil obtained from oil shale by heating

Examples of shale oil in a Sentence

Recent Examples on the Web
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Smith’s vision reminded me a bit of my time during the shale oil boom driving around the Permian Basin, the region of West Texas and New Mexico home to a resurgent oil and gas industry. Justin Worland, Time, 16 Jan. 2026 Unlike crude oil, which pools in subterranean reservoirs, shale oil is found within shale rocks. Stefanie Waldek, Space.com, 12 Jan. 2026 Harold Hamm, the founder and chairman of the fracking and shale oil company Continental Resources, whom Trump effusively praised during the session, demurred when Trump asked him if Continental would plunge into the Venezuela market. Business Columnist, Los Angeles Times, 12 Jan. 2026 Argentina’s huge shale region, Vaca Muerta, often compared to the Permian Basin in Texas, holds the world’s second largest reserves of shale gas and fourth largest of shale oil. Laura Paddison, CNN Money, 10 Nov. 2025 See All Example Sentences for shale oil

Word History

First Known Use

1857, in the meaning defined above

Time Traveler
The first known use of shale oil was in 1857

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Cite this Entry

“Shale oil.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/shale%20oil. Accessed 3 Feb. 2026.

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