borehole

noun

bore·​hole ˈbȯr-ˌhōl How to pronounce borehole (audio)
: a hole bored or drilled in the earth: such as
a
: an exploratory well
b
chiefly British : a small-diameter well drilled especially to obtain water

Examples of borehole in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The drilling project encountered issues, including sediment washing into a wetland and a borehole being left unfilled. Laura Schulte, jsonline.com, 29 Sep. 2025 Catching the problem early—by noting any boreholes, rust, or damage—can preserve a beloved antique. Nafeesah Allen, Better Homes & Gardens, 24 Sep. 2025 Giving a whole new meaning to underground power, startup Deep Fission Nuclear has secured US$30 million in funding to install a micro-reactor in a mile-deep borehole by July 4, 2026 as part of the US Department of Energy's Reactor Pilot Program. New Atlas, 21 Sep. 2025 According to the company, the attendees even viewed the borehole itself through a camera lowered down the shaft, revealing a smooth transition from surface soil to uniform granite walls. Georgina Jedikovska, Interesting Engineering, 18 Sep. 2025 See All Example Sentences for borehole

Word History

First Known Use

1708, in the meaning defined above

Time Traveler
The first known use of borehole was in 1708

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Cite this Entry

“Borehole.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/borehole. Accessed 9 Oct. 2025.

Last Updated: - Updated example sentences
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