- 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.
Origin of torsion
Examples from the Web for torsional
Historical Examples of torsional
Torsional movement of leaflet of Cassia alata: Experiment 152.Life Movements in Plants, Volume II, 1919
Sir Jagadis Chunder Bose
Vanadium is used mainly in steel, to which it gives great toughness and torsional strength.The Economic Aspect of Geology
C. K. Leith
So also with the torsional vibrations of plants, I find response depending on the quickness with which the vibration is effected.
In the first (A) the stimulus was applied by means of the spring-tapper, and in the second (B) by torsional vibration.
The handle, by which a torsional vibration is imparted to the wire, may be slipped over either electrode.
- 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.