torsion bar

noun

: a long metal element in an automobile suspension that has one end held rigidly to the frame end and the other twisted and connected to the axle and that acts as a spring

Examples of torsion bar in a Sentence

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Additionally, the torsion bars that sprung those trailing arms were now located all the way at the rear. — Jonathan M. Gitlin, Ars Technica, 3 Oct. 2023 Both also share front unequal-length control arms and torsion bars. — Phil Berg, Car and Driver, 5 Sep. 2023

Word History

First Known Use

1937, in the meaning defined above

Time Traveler
The first known use of torsion bar was in 1937

Rhymes for torsion bar

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Browse Nearby Words

torsion balance
torsion bar
torsion electrometer
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Cite this Entry

“Torsion bar.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/torsion%20bar. Accessed 26 Mar. 2025.

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Kids Definition

torsion bar

noun
: a long metal piece in an automobile suspension that has one end firmly attached to the frame and the other twisted and connected to the axle and that acts as a spring

More from Merriam-Webster on torsion bar

Britannica.com: Encyclopedia article about torsion bar

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