torsion bar

noun

Definition of torsion bar

: 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

Recent Examples on the Web Wall-mounted: Also known as jackshafts, these use a motor that drives pulleys and cables to turn the torsion bar and raise the door. Gabrielle Hondorp, Popular Mechanics, "The Best Garage Door Openers for Secure and Convenient Parking," 17 Dec. 2020 Wall-mounted: Also known as jackshafts, these use a motor that drives pulleys and cables to turn the torsion bar and raise the door. Gabrielle Hondorp, Popular Mechanics, "The Best Garage Door Openers for Secure and Convenient Parking," 17 Dec. 2020 Wall-mounted: Also known as jackshafts, these use a motor that drives pulleys and cables to turn the torsion bar and raise the door. Gabrielle Hondorp, Popular Mechanics, "The Best Garage Door Openers for Secure and Convenient Parking," 17 Dec. 2020 The front seat belt retractor assemblies were built with the incorrect torsion bar. USA TODAY, "Car recalls for December 3-10," 11 Dec. 2020 The front seat belt retractor assemblies were built with the incorrect torsion bar. Detroit Free Press, "Car recalls for Dec. 3-10: More than 400K vehicles from Kia, Hyundai recalled," 11 Dec. 2020 Wall-mounted: Also known as jackshafts, these use a motor that drives pulleys and cables to turn the torsion bar and raise the door. Gabrielle Hondorp, Popular Mechanics, "The Best Garage Door Openers for Secure Parking," 23 Mar. 2020 An old-fashioned passive equivalent, such as the torsion bars that must be set permanently, can’t be adjusted based on driving conditions. Eric Adams, Wired, "Aston Martin's $189,000 DBX SUV Conquers the Arabian Desert," 14 Jan. 2020 One of the world's best knife designers, Ken Onion, created a new one-handed opening system that involves a thumb stud and torsion bar designed under tension, which allows the blade to open instantly once the thumb stud or flipper is pushed. David E. Petzal, Field & Stream, "The Best 25 Knives Ever Made," 16 Feb. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'torsion bar.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of torsion bar

1937, in the meaning defined above

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The first known use of torsion bar was in 1937

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Last Updated

24 Jan 2021

Cite this Entry

“Torsion bar.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/torsion%20bar. Accessed 24 Jan. 2021.

More from Merriam-Webster on torsion bar

Britannica.com: Encyclopedia article about torsion bar

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