(physics) Of or pertaining to 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 the opposite direction.

Of, pertaining to, or achieved using torsion

plural of torsion

Under torsion

subjected to torsion / twisted

In terms of, or by means of, torsion.

(chemistry) In a chain of atoms A-B-C-D, the dihedral angle between the plane containing the atoms A,B,C and that containing B,C,D

plural of torsion wrench

An L-shaped tool used in lock picking to apply torsion to the inner cylinder of a lock, in order to hold any picked pins in place, while the other pins are shifted, and then to turn the inner cylinder and open the lock.