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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

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

The news that ground investigators had discovered the jackscrew from the Ethiopian Airlines 737 MAX that crashed Sunday evoked strong memories and comparisons to the 2000 crash of Alaska Airlines Flight 261.

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

Your car is too big for one person to stir— Your chauffeur is a little man, too; Yet he lifts that machine, does the little chauffeur, By the power of a gentle jackscrew.

From What Diantha Did by Gilman, Charlotte Perkins

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