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screw jack

noun



screw jack

noun

  1. a lifting device utilizing the mechanical advantage of a screw thread, the effort being applied through a bevel drive Also calledjackscrewjack
“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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Word History and Origins

Origin of screw jack1

First recorded in 1710–20

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screw hookscrew loose