Torsion
[Noun]
Webster's Dictionary 1828
1. The act of turning or twisting.
2. Torsion balance, an instrument for estimating very minute forces by the motion of an index attached to the ends of two fine wires, which twist around each other.
Torsion
[Noun]
Webster's Dictionary 1913
1. 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.
2. 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.
Torsional
[Adjective]
Webster's Dictionary 1913
Of or pertaining to
torsion; resulting from
torsion, or the force with which a thread or wire returns to a state of rest after having been twisted round its axis; as, torsional force.