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Pronunciation: le'vo-ro-ta'shun

Definition: A turning or twisting to the left; in particular, the counterclockwise twist given the plane of plane-polarized light by solutions of certain optically active substances.

Synonym(s): sinistrotorsion

[levo- + L. roto, to turn]

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.