Levorotation
Pronunciation : Le`vo*ro*ta"tion
Part of Speech : n.
Definition : Defn: 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.
[Written also l?vorotation.] [Levo- + rotation.] (Physics & Chem.)
Source : Webster's Unabridged Dictionary, 1913