- core barrel
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(in a core drill) a length of pipe for holding rock cores while they are being extracted from the drill hole.
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Universalium. 2010.
core barrel
Look at other dictionaries:
core barrel — noun 1. : a tube inside a drill pipe and supported by a bit to receive the core in core boring 2. : a tube usually of iron on which a foundry loam core is formed * * * (in a core drill) a length of pipe for holding rock cores while they are being … Useful english dictionary
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