drill pipe
noun
(in oil-well drilling or the like) any of several coupled tubes for rotating the bit and supplying drilling mud.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use drill pipe in a sentence
A cheap pump is then attached to the upper end of the drill pipe and serves to raise the water.
General Science | Bertha M. Clark
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