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borehole

[bawr-hohl, bohr-]
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noun Mining.
  1. a hole drilled in the earth, as for the purpose of extracting a core, releasing gas, oil, water, etc.
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Origin of borehole

First recorded in 1700–10; bore2+ hole
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for borehole

Historical Examples

  • This of course cannot be seen in a borehole or very small section.

    Notes on the Fenland

    T. McKenny Huges

  • The borehole is charged with the explosive to be fired, and the temperature is regulated by means of the steam pipe.

  • A small charge of high explosives is then pushed up to the end of the borehole and fired.


British Dictionary definitions for borehole

borehole

noun
  1. a hole driven into the ground to obtain geological information, release water, etc
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012