torsion balance

noun

Definition of torsion balance

1 : an instrument used to measure minute forces (as electrostatic or magnetic attraction and repulsion) by the torsion of a wire or filament, the angle of torsion being proportional to the amount of force exerted
2 : a spring balance in which the weight is balanced by the torsion of a wire — compare eötvös balance

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“Torsion balance.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/torsion%20balance. Accessed 30 Nov. 2020.

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