- the twisting of a body by two equal and opposite torques.
- the internal torque so produced.
- the degree of departure of a curve from a plane.
- a number measuring this.
- torsade de pointes,
- torsion balance,
- torsion bar,
- torsion forceps,
- torsion fracture,
- torsion group
Origin of torsion
Examples from the Web for torsion
To illustrate the movement of torsion in the spine, or its rotation round its own axis.A Practical Physiology|Albert F. Blaisdell
The geotropic curvature and torsion are increased by lowering of temperature, and decreased by rise of temperature.Life Movements in Plants, Volume II, 1919|Sir Jagadis Chunder Bose
Between the hook or crank (e) and the centre of the upper screw (a a), the india-rubber in a state of torsion (f) extends.
The torsion thread itself was not of metal, but glass, according to the excellent suggestion of the late Dr. Ritchie236.Experimental Researches in Electricity, Volume 1|Michael Faraday
The motive power was india-rubber in the condition of torsion; the propeller, a screw.
- the twisting of a part by application of equal and opposite torques at either end
- the condition of twist and shear stress produced by a torque on a part or component
Word Origin for torsion
early 15c., "wringing pain in the bowels," from Old French torsion (early 14c.), from Late Latin torsionem (nominative torsio) "a wringing or gripping," from Latin tortionem (nominative tortio) "torture, torment," noun of action from past participle stem of torquere "to twist" (see thwart). Meaning "action or process of twisting as by opposing forces" is first recorded 1540s.