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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.

See Examples For:

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

The jackscrew, used to set the device that raises and lowers the plane’s nose, indicates the jet was configured to dive, Cox said.

From Washington Post ● Mar. 18, 2019

In the Ethiopian crash, there’s no suggestion that the jackscrew on the Boeing plane failed.

From Seattle Times ● Mar. 15, 2019

Cox said he believes the jackscrew is the new evidence Elwell was citing.

From Washington Post ● Mar. 15, 2019

It was the pocket jackscrew that every bear trapper carries to set the powerful trap, and without which, indeed, one man cannot manage the springs.

From Rolf in the Woods by Ernest Thompson Seton

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