torsion

Từ điển Oxford Advanced Learner 8th

tor·sion BrE [ˈtɔːʃn] NAmE [ˈtɔːrʃn] noun uncountable (technical)
twisting, especially of one end of sth while the other end is held fixed

Word Origin:
[torsion] late Middle English (as a medical term denoting colic or in the sense ‘twisting’ (especially of a loop of the intestine): via Old French from late Latin torsio(n-), variant of tortio(n-) ‘twisting, torture’, from Latin torquere ‘to twist’.

• Từ đồng nghĩa / Synonyms:
  torque, tortuosity, tortuousness, contortion, crookedness