A radius of torsion is defined by
 |
where 
is the torsion. The symbol 
is also sometimes used instead of 
.
Radius of Torsion
See also
Radius of Curvature, TorsionExplore with Wolfram|Alpha
References
Kreyszig, E. Differential Geometry. New York: Dover, p. 39, 1991.Referenced on Wolfram|Alpha
Radius of TorsionCite this as:
Weisstein, Eric W. "Radius of Torsion." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/RadiusofTorsion.html