- tortuosity, tortuousness, torsion, contortion, crookedness - a tortuous and twisted shape or position; "they built a tree house in the tortuosities of its boughs"; "the acrobat performed incredible contortions"
--1 is a kind of distorted shape, distortion
- torsion, torque - a twisting force
--2 is a kind of force
--2 has particulars: magnetic moment, moment of a magnet