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borehole

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noun bore·hole \ˈbȯr-ˌhōl\

Simple Definition of borehole

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

Source: Merriam-Webster's Learner's Dictionary

Full Definition of borehole

  1. :  a hole bored or drilled in the earth: as a :  an exploratory well b chiefly British :  a small-diameter well drilled especially to obtain water



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