torsion

The act of twisting or turning.

The condition of being twisted or turned.

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.

The act or effect of twisting; a forcible strain of a solid body by which parallel planes are turned relatively to one another round an axis perpendicular to them.

A wringing or wrenching, as of pain; a griping; tormina.

In surgery, the twisting of the cut end of a small artery in a wound or after an operation, for the purpose of checking hemorrhage.

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.

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.

(of a curve) (Geom.), the indefinitely small angle between two consecutive osculating planes of a curve of double curvature.