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Torsion Definition


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Other Torsion Definition

[n] a twisting force
[n] a tortuous and twisted shape or position; "they built a tree house in the tortuosities of its boughs"; "the acrobat performed incredible contortions"

Misc. Definitions

\Tor"sion\, n. [F., fr. LL. torsio, fr. L. torquere, tortum, to twist. See {Torture}.]
1. The act of turning or twisting, or the state of being twisted; the twisting or wrenching of a body by the exertion of a lateral force tending to turn one end or part of it about a longitudinal axis, while the other is held fast or turned in the opposite direction.
2. (Mech.) That force with which a thread, wire, or rod of any material, returns, or tends to return, to a state of rest after it has been twisted; torsibility. {Angle of torsion} (of a curve) (Geom.), the indefinitely small angle between two consecutive osculating planes of a curve of double curvature. {Moment of torsion} (Mech.) the moment of a pair of equal and opposite couples which tend to twist a body. {Torsion balance} (Physics.), an instrument for estimating very minute forces, as electric or magnetic attractions and repulsions, by the torsion of a very slender wire or fiber having at its lower extremity a horizontal bar or needle, upon which the forces act. {Torsion scale}, a scale for weighing in which the fulcra of the levers or beams are strained wires or strips acting by torsion.

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