salt dome

noun

: a domical anticline in sedimentary rock that has a mass of rock salt as its core

Examples of salt dome in a Sentence

Recent Examples on the Web
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Louisville recently added roughly 500 tons to its supply and its salt dome is now about two-thirds full, Bell said. Caroline Neal, Louisville Courier Journal, 21 Jan. 2026 The first involves drilling into naturally occurring salt domes in the earth and injecting water to pump and hollow out the space. Jordan Blum, Fortune, 23 Dec. 2025 While batteries can store energy for hours at a time, a number of companies are using hydrogen in places such as large underground salt domes that can store energy for much longer periods of time — for months, in some cases. Rob Nikolewski, San Diego Union-Tribune, 3 Oct. 2025 The board in February acquired a neighboring piece of property to provide additional space at the site, specifically for materials storage, a second salt dome and a fueling station. Linda Girardi, Chicago Tribune, 24 Mar. 2025 See All Example Sentences for salt dome

Word History

First Known Use

1908, in the meaning defined above

Time Traveler
The first known use of salt dome was in 1908

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Cite this Entry

“Salt dome.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/salt%20dome. Accessed 31 Jan. 2026.

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