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borehole (plural boreholes)
- A hole bored into the ground to collect samples for analysis or to extract oil or water.
- 2020 May 6, Jim Steer, “Full Business Case offers fresh insight into HS2's prospects”, in Rail, page 51:
- Extensive borehole information and tendered contract prices make these cost estimates much more plausible than earlier estimates.
hole bored into the ground