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drill string

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noun
(on a drill rig) the assemblage of drill pipes that link the drill bit to the mechanism that imparts rotary or reciprocating motion.
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Origin of drill string

First recorded in 1695–1705

Words nearby drill string

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use drill string in a sentence

British Dictionary definitions for drill string

drill string

drill pipe


noun
(in the oil industry) a pipe made of lengths of steel tubing that is attached to the drilling tool and rotates during drilling to form a bore
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
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