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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.

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

In this case, the jackscrew provides one more clue.

From Seattle Times • Mar. 15, 2019

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

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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