Definition of borehole in English:

borehole

Syllabification: bore·hole
Pronunciation: /ˈbôrˌhōl
 
/

noun

  • A deep, narrow hole made in the ground, especially to locate water or oil.
    More example sentences
    • Encia workmen are punching boreholes deep into the ground to suck up oily chemicals which leaked into aquifers far beneath the surface.
    • Then a specific place in the center of each grid has been selected for excavating the geotechnical borehole.
    • In extracting geothermal energy from hot dry rock, cold water is pumped down into the rock mass to pass through fractures and exit from a borehole or set of boreholes.

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Pronunciation: kərf
noun
a slit made by cutting with a saw