: 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
This is actually the second attempt to drill the second of two test boreholes.
—
Jan Ellen Spiegel, Hartford Courant, 23 Feb. 2026
In November, the team drilled a borehole about three kilometres deep, setting a depth record for the agency.
—Rupendra Brahambhatt, Interesting Engineering, 22 Feb. 2026
The team members used a dual rotary drill rig to create the boreholes.
—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
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Jan Ellen Spiegel, Hartford Courant, 23 Feb. 2026
In November, the team drilled a borehole about three kilometres deep, setting a depth record for the agency.
—Rupendra Brahambhatt, Interesting Engineering, 22 Feb. 2026
The team members used a dual rotary drill rig to create the boreholes.
—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
See All Example Sentences for borehole
Cite this Entry
“Borehole.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/borehole. Accessed 27 Feb. 2026.
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