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jackscrew

American  
[jak-skroo] / ˈdʒækˌskru /

noun

  1. a jack for lifting, consisting of a screw steadied by a threaded support and carrying a plate or other part bearing the load.


jackscrew British  
/ ˈdʒækˌskruː /

noun

  1. another name for screw 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

Etymology

Origin of jackscrew

First recorded in 1760–70; jack 1 + screw

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In this scenario, the air flow pushing downward against the elevator would have created an equal and opposite load on the jackscrew, a force tending to hold the stabilizer in its upward displacement.

From Seattle Times • Apr. 3, 2019

But in certain conditions, the elevator and stabilizer loads combine to present high forces on the jackscrew and make turning it manually very difficult.

From Seattle Times • Apr. 3, 2019

Last week investigators found a device known as a jackscrew in the wreckage, which suggests the Ethiopian flight might have had a problem with the automated system also suspected in the Lion Air crash.

From Washington Post • Mar. 18, 2019

Investigators found a device known as a jackscrew in the wreckage.

From Washington Post • Mar. 15, 2019

He doesn't get a jackscrew and put under every hill of corn, and go around every morning and give the screw a turn and a twist and hoist the hill up in the air.

From Parent and Child Volume III., Child Study and Training by Hall, Mosiah

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