- 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 torsional
By the stimulus of a blow there is produced a torsional vibration—a response followed by recovery.Response in the Living and Non-Living|Jagadis Chunder Bose
Torsional movement of leaflet of Cassia alata: Experiment 152.
Vanadium is used mainly in steel, to which it gives great toughness and torsional strength.The Economic Aspect of Geology|C. K. Leith
The less excitable upper half of pulvinus is, in the above figure, to the left and the torsional response is clockwise.
A dorsiventral organ, moreover, exhibits a torsional movement under lateral stimulus of gravity.
- 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.