"torsion" in the noun sense
1. 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"
2. torsion, torque
a twisting force
Source: WordNet® (An amazing lexical database of English)
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