torsion

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

A finite order element of a group that, when raised to a positive integer power results in the identity element of the group.

An element of a homology or cohomology group for which there exists a non-zero integer that, when the element is multiplied by that integer, yields zero.

A type of holistic complimentary medicine that involves balancing theoretical energy fields through energy healing, meditation, and similar practices.

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.

To subject to torsion.