Meaning of TORSION in English

TORSION

/ ˈtɔːʃn; NAmE ˈtɔːrʃn/ noun

[ U ] ( technical ) twisting, especially of one end of sth while the other end is held fixed

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WORD ORIGIN

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.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.