Definitions
from The Century Dictionary.
- noun Drilling with an annular bit, usually of diamonds set in a holder, so that a core is left in the axis of the tube. From the core the strata which have been pierced can be determined.
Etymologies
Sorry, no etymologies found.
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Examples
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The Transport Minister, David "The Walrus" Campbell, was to up to his tusks in core-drilling samples yesterday at Pyrmont, inspecting the first bore holes needed to launch Sydney's newest transport revolution, the Central to Rozelle CBD Metro.
The Border Mail 2009
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Some of the world's leading petroleum industry companies have joined forces with an Australian drilling equipment specialist to drive the advance of a world-first "intelligent" core-drilling technology for the oil and gas industry
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"intelligent" core-drilling technology for the oil and gas industry.
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