Bible Dictionaries
Levorotation

Webster's Dictionary

(n.) Rotation in the direction of an outgoing right-handed screw; counter-clockwise rotation; - applied chiefly to the turning of the plane of polarization of light.

Bibliography Information
Webster, Noah. Entry for 'Levorotation'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​l/levorotation.html. 1828.