: 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
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But beneath its foundation, an invisible network of boreholes extends hundreds of feet into the ground to tap Earth’s natural reservoir of warmth.
—
Vanessa Bates Ramirez, Scientific American, 18 Feb. 2026
Despite the large swath of the Midcontinent Rift through Iowa, Clark said the state geological survey, housed at the University of Iowa, has only 24 borehole samples that were drilled deep enough, and in the right location, to intersect the basalt of the Midcontinent Rift.
—Cami Koons, Iowa Capital Dispatch, 17 Feb. 2026
Deep Isolation announced the launch of its multi-year, full-scale program to conduct testing of its deep borehole technology for safely and permanently disposing of nuclear waste.
—Prabhat Ranjan Mishra, Interesting Engineering, 5 Feb. 2026
To create a hole reaching the Antarctic waters, scientists and engineers blasted a borehole around one foot in diameter and about 3,300 feet deep using hot water.
—Joe Wilkins Published Feb 4, Futurism, 4 Feb. 2026
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Vanessa Bates Ramirez, Scientific American, 18 Feb. 2026
Despite the large swath of the Midcontinent Rift through Iowa, Clark said the state geological survey, housed at the University of Iowa, has only 24 borehole samples that were drilled deep enough, and in the right location, to intersect the basalt of the Midcontinent Rift.
—Cami Koons, Iowa Capital Dispatch, 17 Feb. 2026
Deep Isolation announced the launch of its multi-year, full-scale program to conduct testing of its deep borehole technology for safely and permanently disposing of nuclear waste.
—Prabhat Ranjan Mishra, Interesting Engineering, 5 Feb. 2026
To create a hole reaching the Antarctic waters, scientists and engineers blasted a borehole around one foot in diameter and about 3,300 feet deep using hot water.
—Joe Wilkins Published Feb 4, Futurism, 4 Feb. 2026
See All Example Sentences for borehole
Cite this Entry
“Borehole.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/borehole. Accessed 23 Feb. 2026.
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