borehole

noun
bore·​hole | \ ˈbȯr-ˌhōl How to pronounce borehole (audio) \

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

The Japanese vessel Chikyu was instrumental in helping researchers construct boreholes and mines some three miles deep. Sam Blum, Popular Mechanics, "Vast Ecosystem of Underground Organisms Holds More Life Than Earth's Oceans," 11 Dec. 2018 To find out, this program, a collaboration between New Zealand universities, drilled a 300-meter-deep borehole into the ice shelf and sent a camera down there to see what's up. Sophie Weiner, Popular Mechanics, "Watch This Mesmerizing Descent Down a 300-Meter Antarctic Borehole," 4 Feb. 2018 Hwange, the country’s largest national park, is also one of Africa’s most abundant (thanks to the 70 boreholes drilled in the 1920s that guarantee water year-round). Klara Glowczewska, Town & Country, "The Best Places to Travel in 2019," 7 Dec. 2018 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

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

12 Mar 2019

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Time Traveler for borehole

The first known use of borehole was in 1708

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More from Merriam-Webster on borehole

Rhyming Dictionary: Words that rhyme with borehole

Nglish: Translation of borehole for Spanish Speakers

Britannica.com: Encyclopedia article about borehole

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