noun (n)

• a tortuous and twisted shape or position(noun.shape)

  Synonym:
  contortion, crookedness, tortuosity, tortuousness
  

  source: wordnet30
• a twisting force(noun.phenomenon)

  Synonym:
  torque
  

  source: wordnet30
• 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.(noun)

  source: webster1913