screw jack


noun

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Origin of screw jack

First recorded in 1710–20
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for screw jack

British Dictionary definitions for screw jack

screw jack

noun

a lifting device utilizing the mechanical advantage of a screw thread, the effort being applied through a bevel driveAlso called: jackscrew, jack
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