Torsion meaning

tôrshən
The stress or deformation caused when one end of an object is twisted in one direction and the other end is held motionless or twisted in the opposite direction.
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The process or condition of twisting or being twisted.
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The stress on an object when torque is applied to it.
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A mathematical operation in geometry measuring how tightly a plane is twisted.
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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.
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(mechanics) 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.
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Origin of torsion

  • Middle English torcion wringing pain in the bowels from Old French torsion from Late Latin torsiō torsiōn- a wringing pain variant of Latin tortiō from tortus past particple of torquēre to twist torsade

    From American Heritage Dictionary of the English Language, 5th Edition

  • From French, from Late Latin torsio, from Latin torqueō (“twist, turn"). See torture, -tort.

    From Wiktionary