levorotation
Pronunciation: lē′vō-rō-tā′shŭn
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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Examples: glitazone, GI cocktail, etc.

