Levo-
Levo- (lē"vo-) , prefix
(Chemistry & Optics) A prefix from L. laevus
(a)
(Chemistry & Optics) Pertaining to, or toward, the left; as, levorotatory.
(b)
(Chemistry & Optics) Turning the plane of polarized light to the left; as, levotartaric acid; levoracemic acid; levogyratory crystals, etc.