borehole

noun
bore·hole | \ˈbȯr-ˌhōl \

Definition of borehole 

: 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

Yet few visitors would know that all the water in their taps comes from boreholes sunk into aquifers – underground reservoirs of freshwater that are also used by residents, businesses, and agriculture. Isaiah Esipisu, The Christian Science Monitor, "In sustainability search, Kenya studies the unknown depths of its aquifers," 2 July 2018 The facility consists of 86 cables, which nestle within boreholes that extend about 1.5 miles (2.5 kilometers) into the Antarctic ice. Mike Wall, NBC News, "High-energy 'ghost particle' traced to distant galaxy in astronomy breakthrough," 12 July 2018 As a result, households and companies are sinking boreholes. Isaiah Esipisu, The Christian Science Monitor, "In sustainability search, Kenya studies the unknown depths of its aquifers," 2 July 2018 Over the past year, scientists from South Korea and five other countries have been developing a proposal for installing a monitoring array in deep boreholes on Paektu to capture physical and chemical signals that might presage an eruption. Dennis Normile, Science | AAAS, "Korean thaw raises hopes for scientific cooperation," 1 May 2018 Mike Lane, a hydrologist with Rural Focus, said that in the 1980s boreholes in Nairobi were drilled to a depth of 262 feet. Isaiah Esipisu, The Christian Science Monitor, "In sustainability search, Kenya studies the unknown depths of its aquifers," 2 July 2018 In Nunavut, there are more than 100 boreholes that have measured ground temperatures since 2000. Melody Schreiber, WIRED, "The Race to Save Arctic Cities As Permafrost Melts," 14 May 2018 That will include dropping a new autonomous vehicle, developed by the Georgia Institute of Technology in Atlanta, that can deploy through a borehole and explore the grounding zone—an unprecedented view. Paul Voosen, Science | AAAS, "U.S.-U.K. science armada to target vulnerable Antarctic ice sheet," 30 Apr. 2018 One of Schmidt’s final and grandest aspirations was to become the first team to operate a vehicle to explore the area under the Ross Ice Shelf, dropping Icefin through a borehole drilled at the remote HWD2 field camp. Joe Pappalardo, Popular Mechanics, "The Search for Aliens Starts Now—in Antarctica," 4 Jan. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'borehole.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of borehole

1708, in the meaning defined above

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Dictionary Entries near borehole

boree

boreen

boregat

borehole

borele

borematic

bore meal

Statistics for borehole

Last Updated

10 Sep 2018

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Time Traveler for borehole

The first known use of borehole was in 1708

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More Definitions for borehole

borehole

noun

English Language Learners Definition of borehole

; especially : a hole dug into the earth in order to find water or oil

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